31016475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 33979365

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 419, 423, 525, 705, 987, 1175, 1257, 1575, 1645, 2095, 2115, 2933, 2961, 3525, 3771, 4935, 6285, 8225, 8799, 10475, 10575, 14665, 14805, 18855, 19693, 24675, 26397, 31425, 43995, 59079, 73325, 74025, 94275, 98465, 131985, 137851, 177237, 219975, 295395, 413553, 492325, 659925, 689255, 886185, 1240659, 1476975, 2067765, 3446275, 4430925, 6203295, 10338825, 31016475]

約数ペア:

[(1, 31016475), (3, 10338825), (5, 6203295), (7, 4430925), (9, 3446275), (15, 2067765), (21, 1476975), (25, 1240659), (35, 886185), (45, 689255), (47, 659925), (63, 492325), (75, 413553), (105, 295395), (141, 219975), (175, 177237), (225, 137851), (235, 131985), (315, 98465), (329, 94275), (419, 74025), (423, 73325), (525, 59079), (705, 43995), (987, 31425), (1175, 26397), (1257, 24675), (1575, 19693), (1645, 18855), (2095, 14805), (2115, 14665), (2933, 10575), (2961, 10475), (3525, 8799), (3771, 8225), (4935, 6285)]