201375471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 309484800

約数和(自身を除く): 108109329

約数列:

[1, 3, 11, 19, 33, 57, 209, 397, 627, 809, 1191, 2427, 4367, 7543, 8899, 13101, 15371, 22629, 26697, 46113, 82973, 169081, 248919, 321173, 507243, 963519, 3532903, 6102287, 10598709, 18306861, 67125157, 201375471]

約数ペア:

[(1, 201375471), (3, 67125157), (11, 18306861), (19, 10598709), (33, 6102287), (57, 3532903), (209, 963519), (397, 507243), (627, 321173), (809, 248919), (1191, 169081), (2427, 82973), (4367, 46113), (7543, 26697), (8899, 22629), (13101, 15371)]