920031855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1\times {\mathrm{2293}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 1538044416

約数和(自身を除く): 618012561

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1163, 2293, 3489, 5815, 6879, 11465, 17445, 26749, 34395, 52739, 80247, 133745, 158217, 263695, 401235, 791085, 2666759, 8000277, 13333795, 40001385, 61335457, 184006371, 306677285, 920031855]

約数ペア:

[(1, 920031855), (3, 306677285), (5, 184006371), (15, 61335457), (23, 40001385), (69, 13333795), (115, 8000277), (345, 2666759), (1163, 791085), (2293, 401235), (3489, 263695), (5815, 158217), (6879, 133745), (11465, 80247), (17445, 52739), (26749, 34395)]