2974545

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 6402240

約数和(自身を除く): 3427695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 71, 95, 105, 133, 147, 171, 213, 245, 285, 315, 355, 399, 441, 497, 639, 665, 735, 855, 931, 1065, 1197, 1349, 1491, 1995, 2205, 2485, 2793, 3195, 3479, 4047, 4473, 4655, 5985, 6745, 7455, 8379, 9443, 10437, 12141, 13965, 17395, 20235, 22365, 28329, 31311, 41895, 47215, 52185, 60705, 66101, 84987, 141645, 156555, 198303, 330505, 424935, 594909, 991515, 2974545]

約数ペア:

[(1, 2974545), (3, 991515), (5, 594909), (7, 424935), (9, 330505), (15, 198303), (19, 156555), (21, 141645), (35, 84987), (45, 66101), (49, 60705), (57, 52185), (63, 47215), (71, 41895), (95, 31311), (105, 28329), (133, 22365), (147, 20235), (171, 17395), (213, 13965), (245, 12141), (285, 10437), (315, 9443), (355, 8379), (399, 7455), (441, 6745), (497, 5985), (639, 4655), (665, 4473), (735, 4047), (855, 3479), (931, 3195), (1065, 2793), (1197, 2485), (1349, 2205), (1491, 1995)]