31291425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 62674560

約数和(自身を除く): 31383135

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 47, 55, 75, 99, 141, 165, 225, 235, 269, 275, 423, 495, 517, 705, 807, 825, 1175, 1345, 1551, 2115, 2421, 2475, 2585, 2959, 3525, 4035, 4653, 6725, 7755, 8877, 10575, 12105, 12643, 12925, 14795, 20175, 23265, 26631, 37929, 38775, 44385, 60525, 63215, 73975, 113787, 116325, 133155, 139073, 189645, 221925, 316075, 417219, 568935, 665775, 695365, 948225, 1251657, 2086095, 2844675, 3476825, 6258285, 10430475, 31291425]

約数ペア:

[(1, 31291425), (3, 10430475), (5, 6258285), (9, 3476825), (11, 2844675), (15, 2086095), (25, 1251657), (33, 948225), (45, 695365), (47, 665775), (55, 568935), (75, 417219), (99, 316075), (141, 221925), (165, 189645), (225, 139073), (235, 133155), (269, 116325), (275, 113787), (423, 73975), (495, 63215), (517, 60525), (705, 44385), (807, 38775), (825, 37929), (1175, 26631), (1345, 23265), (1551, 20175), (2115, 14795), (2421, 12925), (2475, 12643), (2585, 12105), (2959, 10575), (3525, 8877), (4035, 7755), (4653, 6725)]