12656847

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2969}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 20314800

約数和(自身を除く): 7657953

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 2969, 4263, 8907, 20783, 62349, 86101, 145481, 258303, 436443, 602707, 1808121, 4218949, 12656847]

約数ペア:

[(1, 12656847), (3, 4218949), (7, 1808121), (21, 602707), (29, 436443), (49, 258303), (87, 145481), (147, 86101), (203, 62349), (609, 20783), (1421, 8907), (2969, 4263)]