153399305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 198816768

約数和(自身を除く): 45417463

約数列:

[1, 5, 23, 47, 101, 115, 235, 281, 505, 1081, 1405, 2323, 4747, 5405, 6463, 11615, 13207, 23735, 28381, 32315, 66035, 109181, 141905, 303761, 545905, 652763, 1333907, 1518805, 3263815, 6669535, 30679861, 153399305]

約数ペア:

[(1, 153399305), (5, 30679861), (23, 6669535), (47, 3263815), (101, 1518805), (115, 1333907), (235, 652763), (281, 545905), (505, 303761), (1081, 141905), (1405, 109181), (2323, 66035), (4747, 32315), (5405, 28381), (6463, 23735), (11615, 13207)]