661323507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{1721}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 972034560

約数和(自身を除く): 310711053

約数列:

[1, 3, 13, 39, 59, 167, 177, 501, 767, 1721, 2171, 2301, 5163, 6513, 9853, 22373, 29559, 67119, 101539, 128089, 287407, 304617, 384267, 862221, 1320007, 3736291, 3960021, 11208873, 16957013, 50871039, 220441169, 661323507]

約数ペア:

[(1, 661323507), (3, 220441169), (13, 50871039), (39, 16957013), (59, 11208873), (167, 3960021), (177, 3736291), (501, 1320007), (767, 862221), (1721, 384267), (2171, 304617), (2301, 287407), (5163, 128089), (6513, 101539), (9853, 67119), (22373, 29559)]