212967573

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{111443}}^1$

素因数の和:111473

約数の個数: 24

約数和(自身を含む): 355729248

約数和(自身を除く): 142761675

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 111443, 334329, 780101, 1448759, 2340303, 4346277, 5460707, 10141313, 16382121, 30423939, 70989191, 212967573]

約数ペア:

[(1, 212967573), (3, 70989191), (7, 30423939), (13, 16382121), (21, 10141313), (39, 5460707), (49, 4346277), (91, 2340303), (147, 1448759), (273, 780101), (637, 334329), (1911, 111443)]