31019175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 30726873

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 83, 99, 151, 165, 225, 249, 275, 415, 453, 495, 747, 755, 825, 913, 1245, 1359, 1661, 2075, 2265, 2475, 2739, 3735, 3775, 4565, 4983, 6225, 6795, 8217, 8305, 11325, 12533, 13695, 14949, 18675, 22825, 24915, 33975, 37599, 41085, 41525, 62665, 68475, 74745, 112797, 124575, 137863, 187995, 205425, 313325, 373725, 413589, 563985, 689315, 939975, 1240767, 2067945, 2819925, 3446575, 6203835, 10339725, 31019175]

約数ペア:

[(1, 31019175), (3, 10339725), (5, 6203835), (9, 3446575), (11, 2819925), (15, 2067945), (25, 1240767), (33, 939975), (45, 689315), (55, 563985), (75, 413589), (83, 373725), (99, 313325), (151, 205425), (165, 187995), (225, 137863), (249, 124575), (275, 112797), (415, 74745), (453, 68475), (495, 62665), (747, 41525), (755, 41085), (825, 37599), (913, 33975), (1245, 24915), (1359, 22825), (1661, 18675), (2075, 14949), (2265, 13695), (2475, 12533), (2739, 11325), (3735, 8305), (3775, 8217), (4565, 6795), (4983, 6225)]