217877055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21647}}^1$

素因数の和:21727

約数の個数: 32

約数和(自身を含む): 386546688

約数和(自身を除く): 168669633

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 3355, 10065, 21647, 64941, 108235, 238117, 324705, 714351, 1190585, 1320467, 3571755, 3961401, 6602335, 14525137, 19807005, 43575411, 72625685, 217877055]

約数ペア:

[(1, 217877055), (3, 72625685), (5, 43575411), (11, 19807005), (15, 14525137), (33, 6602335), (55, 3961401), (61, 3571755), (165, 1320467), (183, 1190585), (305, 714351), (671, 324705), (915, 238117), (2013, 108235), (3355, 64941), (10065, 21647)]