31004505

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 66211200

約数和(自身を除く): 35206695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 105, 109, 129, 135, 147, 189, 215, 245, 301, 315, 327, 387, 441, 545, 645, 735, 763, 903, 945, 981, 1161, 1323, 1505, 1635, 1935, 2107, 2205, 2289, 2709, 2943, 3815, 4515, 4687, 4905, 5341, 5805, 6321, 6615, 6867, 8127, 10535, 11445, 13545, 14061, 14715, 16023, 18963, 20601, 23435, 26705, 31605, 32809, 34335, 40635, 42183, 48069, 56889, 70305, 80115, 94815, 98427, 103005, 126549, 144207, 164045, 210915, 229663, 240345, 284445, 295281, 492135, 632745, 688989, 721035, 885843, 1148315, 1476405, 2066967, 3444945, 4429215, 6200901, 10334835, 31004505]

約数ペア:

[(1, 31004505), (3, 10334835), (5, 6200901), (7, 4429215), (9, 3444945), (15, 2066967), (21, 1476405), (27, 1148315), (35, 885843), (43, 721035), (45, 688989), (49, 632745), (63, 492135), (105, 295281), (109, 284445), (129, 240345), (135, 229663), (147, 210915), (189, 164045), (215, 144207), (245, 126549), (301, 103005), (315, 98427), (327, 94815), (387, 80115), (441, 70305), (545, 56889), (645, 48069), (735, 42183), (763, 40635), (903, 34335), (945, 32809), (981, 31605), (1161, 26705), (1323, 23435), (1505, 20601), (1635, 18963), (1935, 16023), (2107, 14715), (2205, 14061), (2289, 13545), (2709, 11445), (2943, 10535), (3815, 8127), (4515, 6867), (4687, 6615), (4905, 6321), (5341, 5805)]