64804719

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^2$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 100132480

約数和(自身を除く): 35327761

約数列:

[1, 3, 7, 21, 139, 149, 417, 447, 973, 1043, 2919, 3129, 20711, 22201, 62133, 66603, 144977, 155407, 434931, 466221, 3085939, 9257817, 21601573, 64804719]

約数ペア:

[(1, 64804719), (3, 21601573), (7, 9257817), (21, 3085939), (139, 466221), (149, 434931), (417, 155407), (447, 144977), (973, 66603), (1043, 62133), (2919, 22201), (3129, 20711)]