215460323

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 252959616

約数和(自身を除く): 37499293

約数列:

[1, 13, 19, 31, 247, 361, 403, 589, 1481, 4693, 7657, 11191, 19253, 28139, 45911, 145483, 365807, 534641, 596843, 872309, 6950333, 11340017, 16573871, 215460323]

約数ペア:

[(1, 215460323), (13, 16573871), (19, 11340017), (31, 6950333), (247, 872309), (361, 596843), (403, 534641), (589, 365807), (1481, 145483), (4693, 45911), (7657, 28139), (11191, 19253)]