31525065

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 38147895

約数列:

[1, 3, 5, 9, 11, 13, 15, 23, 27, 33, 39, 45, 55, 65, 69, 71, 99, 115, 117, 135, 143, 165, 195, 207, 213, 253, 297, 299, 345, 351, 355, 429, 495, 585, 621, 639, 715, 759, 781, 897, 923, 1035, 1065, 1265, 1287, 1485, 1495, 1633, 1755, 1917, 2145, 2277, 2343, 2691, 2769, 3105, 3195, 3289, 3795, 3861, 3905, 4485, 4615, 4899, 6435, 6831, 7029, 8073, 8165, 8307, 9585, 9867, 10153, 11385, 11715, 13455, 13845, 14697, 16445, 17963, 19305, 21087, 21229, 24495, 24921, 29601, 30459, 34155, 35145, 40365, 41535, 44091, 49335, 50765, 53889, 63687, 73485, 88803, 89815, 91377, 105435, 106145, 124605, 148005, 152295, 161667, 191061, 220455, 233519, 269445, 274131, 318435, 444015, 456885, 485001, 573183, 700557, 808335, 955305, 1167595, 1370655, 2101671, 2425005, 2865915, 3502785, 6305013, 10508355, 31525065]

約数ペア:

[(1, 31525065), (3, 10508355), (5, 6305013), (9, 3502785), (11, 2865915), (13, 2425005), (15, 2101671), (23, 1370655), (27, 1167595), (33, 955305), (39, 808335), (45, 700557), (55, 573183), (65, 485001), (69, 456885), (71, 444015), (99, 318435), (115, 274131), (117, 269445), (135, 233519), (143, 220455), (165, 191061), (195, 161667), (207, 152295), (213, 148005), (253, 124605), (297, 106145), (299, 105435), (345, 91377), (351, 89815), (355, 88803), (429, 73485), (495, 63687), (585, 53889), (621, 50765), (639, 49335), (715, 44091), (759, 41535), (781, 40365), (897, 35145), (923, 34155), (1035, 30459), (1065, 29601), (1265, 24921), (1287, 24495), (1485, 21229), (1495, 21087), (1633, 19305), (1755, 17963), (1917, 16445), (2145, 14697), (2277, 13845), (2343, 13455), (2691, 11715), (2769, 11385), (3105, 10153), (3195, 9867), (3289, 9585), (3795, 8307), (3861, 8165), (3905, 8073), (4485, 7029), (4615, 6831), (4899, 6435)]