80981649

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8627}}^1$

素因数の和:8789

約数の個数: 24

約数和(自身を含む): 134596800

約数和(自身を除く): 53615151

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 8627, 9387, 25881, 60389, 77643, 181167, 543501, 1285423, 3856269, 8997961, 11568807, 26993883, 80981649]

約数ペア:

[(1, 80981649), (3, 26993883), (7, 11568807), (9, 8997961), (21, 3856269), (63, 1285423), (149, 543501), (447, 181167), (1043, 77643), (1341, 60389), (3129, 25881), (8627, 9387)]