69213815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 91872144

約数和(自身を除く): 22658329

約数列:

[1, 5, 11, 55, 121, 233, 491, 605, 1165, 2455, 2563, 5401, 12815, 27005, 28193, 59411, 114403, 140965, 297055, 572015, 1258433, 6292165, 13842763, 69213815]

約数ペア:

[(1, 69213815), (5, 13842763), (11, 6292165), (55, 1258433), (121, 572015), (233, 297055), (491, 140965), (605, 114403), (1165, 59411), (2455, 28193), (2563, 27005), (5401, 12815)]