664742403

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{145681}}^1$

素因数の和:145716

約数の個数: 24

約数和(自身を含む): 1066392240

約数和(自身を除く): 401649837

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 145681, 437043, 1311129, 1893853, 3933387, 5681559, 17044677, 24620089, 51134031, 73860267, 221580801, 664742403]

約数ペア:

[(1, 664742403), (3, 221580801), (9, 73860267), (13, 51134031), (27, 24620089), (39, 17044677), (117, 5681559), (169, 3933387), (351, 1893853), (507, 1311129), (1521, 437043), (4563, 145681)]