817171731

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{19087}}^1$

素因数の和:19231

約数の個数: 24

約数和(自身を含む): 1214913024

約数和(自身を除く): 397741293

約数列:

[1, 3, 9, 67, 71, 201, 213, 603, 639, 4757, 14271, 19087, 42813, 57261, 171783, 1278829, 1355177, 3836487, 4065531, 11509461, 12196593, 90796859, 272390577, 817171731]

約数ペア:

[(1, 817171731), (3, 272390577), (9, 90796859), (67, 12196593), (71, 11509461), (201, 4065531), (213, 3836487), (603, 1355177), (639, 1278829), (4757, 171783), (14271, 57261), (19087, 42813)]