90915803

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 108421632

約数和(自身を除く): 17505829

約数列:

[1, 11, 23, 43, 61, 137, 253, 473, 671, 989, 1403, 1507, 2623, 3151, 5891, 8357, 10879, 15433, 28853, 34661, 60329, 64801, 91927, 135493, 192211, 359351, 663619, 1490423, 2114321, 3952861, 8265073, 90915803]

約数ペア:

[(1, 90915803), (11, 8265073), (23, 3952861), (43, 2114321), (61, 1490423), (137, 663619), (253, 359351), (473, 192211), (671, 135493), (989, 91927), (1403, 64801), (1507, 60329), (2623, 34661), (3151, 28853), (5891, 15433), (8357, 10879)]