31122975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 56058912

約数和(自身を除く): 24935937

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 233, 325, 411, 685, 699, 975, 1165, 1781, 2055, 3029, 3425, 3495, 5343, 5825, 8905, 9087, 10275, 15145, 17475, 26715, 31921, 44525, 45435, 75725, 95763, 133575, 159605, 227175, 414973, 478815, 798025, 1244919, 2074865, 2394075, 6224595, 10374325, 31122975]

約数ペア:

[(1, 31122975), (3, 10374325), (5, 6224595), (13, 2394075), (15, 2074865), (25, 1244919), (39, 798025), (65, 478815), (75, 414973), (137, 227175), (195, 159605), (233, 133575), (325, 95763), (411, 75725), (685, 45435), (699, 44525), (975, 31921), (1165, 26715), (1781, 17475), (2055, 15145), (3029, 10275), (3425, 9087), (3495, 8905), (5343, 5825)]