669968253

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{145109}}^1$

素因数の和:145143

約数の個数: 24

約数和(自身を含む): 1056400800

約数和(自身を除く): 386432547

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 145109, 435327, 1305981, 2757071, 3917943, 8271213, 11753829, 24813639, 35261487, 74440917, 223322751, 669968253]

約数ペア:

[(1, 669968253), (3, 223322751), (9, 74440917), (19, 35261487), (27, 24813639), (57, 11753829), (81, 8271213), (171, 3917943), (243, 2757071), (513, 1305981), (1539, 435327), (4617, 145109)]