489995715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{72431}}^1$

素因数の和:72491

約数の個数: 32

約数和(自身を含む): 876137472

約数和(自身を除く): 386141757

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 6765, 72431, 217293, 362155, 796741, 1086465, 2390223, 2969671, 3983705, 8909013, 11951115, 14848355, 32666381, 44545065, 97999143, 163331905, 489995715]

約数ペア:

[(1, 489995715), (3, 163331905), (5, 97999143), (11, 44545065), (15, 32666381), (33, 14848355), (41, 11951115), (55, 8909013), (123, 3983705), (165, 2969671), (205, 2390223), (451, 1086465), (615, 796741), (1353, 362155), (2255, 217293), (6765, 72431)]