400942665

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 713276928

約数和(自身を除く): 312334263

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 293, 423, 647, 705, 879, 1465, 1941, 2115, 2637, 3235, 4395, 5823, 9705, 13185, 13771, 29115, 30409, 41313, 68855, 91227, 123939, 152045, 189571, 206565, 273681, 456135, 568713, 619695, 947855, 1368405, 1706139, 2843565, 8530695, 8909837, 26729511, 44549185, 80188533, 133647555, 400942665]

約数ペア:

[(1, 400942665), (3, 133647555), (5, 80188533), (9, 44549185), (15, 26729511), (45, 8909837), (47, 8530695), (141, 2843565), (235, 1706139), (293, 1368405), (423, 947855), (647, 619695), (705, 568713), (879, 456135), (1465, 273681), (1941, 206565), (2115, 189571), (2637, 152045), (3235, 123939), (4395, 91227), (5823, 68855), (9705, 41313), (13185, 30409), (13771, 29115)]