1566755775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2719}}^1$

素因数の和:2945

約数の個数: 72

約数和(自身を含む): 3038555520

約数和(自身を除く): 1471799745

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 197, 225, 325, 585, 591, 975, 985, 1773, 2561, 2719, 2925, 2955, 4925, 7683, 8157, 8865, 12805, 13595, 14775, 23049, 24471, 35347, 38415, 40785, 44325, 64025, 67975, 106041, 115245, 122355, 176735, 192075, 203925, 318123, 530205, 535643, 576225, 611775, 883675, 1590615, 1606929, 2651025, 2678215, 4820787, 6963359, 7953075, 8034645, 13391075, 20890077, 24103935, 34816795, 40173225, 62670231, 104450385, 120519675, 174083975, 313351155, 522251925, 1566755775]

約数ペア:

[(1, 1566755775), (3, 522251925), (5, 313351155), (9, 174083975), (13, 120519675), (15, 104450385), (25, 62670231), (39, 40173225), (45, 34816795), (65, 24103935), (75, 20890077), (117, 13391075), (195, 8034645), (197, 7953075), (225, 6963359), (325, 4820787), (585, 2678215), (591, 2651025), (975, 1606929), (985, 1590615), (1773, 883675), (2561, 611775), (2719, 576225), (2925, 535643), (2955, 530205), (4925, 318123), (7683, 203925), (8157, 192075), (8865, 176735), (12805, 122355), (13595, 115245), (14775, 106041), (23049, 67975), (24471, 64025), (35347, 44325), (38415, 40785)]