27987372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 60071508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 47, 51, 63, 68, 84, 94, 102, 119, 126, 139, 141, 153, 188, 204, 238, 252, 278, 282, 306, 329, 357, 417, 423, 476, 556, 564, 612, 658, 714, 799, 834, 846, 973, 987, 1071, 1251, 1316, 1428, 1598, 1668, 1692, 1946, 1974, 2142, 2363, 2397, 2502, 2919, 2961, 3196, 3892, 3948, 4284, 4726, 4794, 5004, 5593, 5838, 5922, 6533, 7089, 7191, 8757, 9452, 9588, 11186, 11676, 11844, 13066, 14178, 14382, 16541, 16779, 17514, 19599, 21267, 22372, 26132, 28356, 28764, 33082, 33558, 35028, 39198, 42534, 45731, 49623, 50337, 58797, 66164, 67116, 78396, 85068, 91462, 99246, 100674, 111061, 117594, 137193, 148869, 182924, 198492, 201348, 222122, 235188, 274386, 297738, 333183, 411579, 444244, 548772, 595476, 666366, 777427, 823158, 999549, 1332732, 1554854, 1646316, 1999098, 2332281, 3109708, 3998196, 4664562, 6996843, 9329124, 13993686, 27987372]

約数ペア:

[(1, 27987372), (2, 13993686), (3, 9329124), (4, 6996843), (6, 4664562), (7, 3998196), (9, 3109708), (12, 2332281), (14, 1999098), (17, 1646316), (18, 1554854), (21, 1332732), (28, 999549), (34, 823158), (36, 777427), (42, 666366), (47, 595476), (51, 548772), (63, 444244), (68, 411579), (84, 333183), (94, 297738), (102, 274386), (119, 235188), (126, 222122), (139, 201348), (141, 198492), (153, 182924), (188, 148869), (204, 137193), (238, 117594), (252, 111061), (278, 100674), (282, 99246), (306, 91462), (329, 85068), (357, 78396), (417, 67116), (423, 66164), (476, 58797), (556, 50337), (564, 49623), (612, 45731), (658, 42534), (714, 39198), (799, 35028), (834, 33558), (846, 33082), (973, 28764), (987, 28356), (1071, 26132), (1251, 22372), (1316, 21267), (1428, 19599), (1598, 17514), (1668, 16779), (1692, 16541), (1946, 14382), (1974, 14178), (2142, 13066), (2363, 11844), (2397, 11676), (2502, 11186), (2919, 9588), (2961, 9452), (3196, 8757), (3892, 7191), (3948, 7089), (4284, 6533), (4726, 5922), (4794, 5838), (5004, 5593)]