31521474

素因数分解:

$2^1\times 3^5\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 71809920

約数和(自身を除く): 40288446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 243, 474, 486, 711, 821, 1422, 1642, 2133, 2463, 4266, 4926, 6399, 7389, 12798, 14778, 19197, 22167, 38394, 44334, 64859, 66501, 129718, 133002, 194577, 199503, 389154, 399006, 583731, 1167462, 1751193, 3502386, 5253579, 10507158, 15760737, 31521474]

約数ペア:

[(1, 31521474), (2, 15760737), (3, 10507158), (6, 5253579), (9, 3502386), (18, 1751193), (27, 1167462), (54, 583731), (79, 399006), (81, 389154), (158, 199503), (162, 194577), (237, 133002), (243, 129718), (474, 66501), (486, 64859), (711, 44334), (821, 38394), (1422, 22167), (1642, 19197), (2133, 14778), (2463, 12798), (4266, 7389), (4926, 6399)]