319017489

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{21487}}^1$

素因数の和:21605

約数の個数: 24

約数和(自身を含む): 499724928

約数和(自身を除く): 180707439

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 2121, 4949, 14847, 21487, 64461, 150409, 451227, 1052863, 2170187, 3158589, 6510561, 15191309, 45573927, 106339163, 319017489]

約数ペア:

[(1, 319017489), (3, 106339163), (7, 45573927), (21, 15191309), (49, 6510561), (101, 3158589), (147, 2170187), (303, 1052863), (707, 451227), (2121, 150409), (4949, 64461), (14847, 21487)]