208049121

素因数分解:

$3^3\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1531}}^1$

素因数の和:2266

約数の個数: 32

約数和(自身を含む): 352972800

約数和(自身を除く): 144923679

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 719, 1531, 2157, 4593, 5033, 6471, 10717, 13779, 15099, 19413, 32151, 41337, 45297, 96453, 135891, 289359, 1100789, 3302367, 7705523, 9907101, 23116569, 29721303, 69349707, 208049121]

約数ペア:

[(1, 208049121), (3, 69349707), (7, 29721303), (9, 23116569), (21, 9907101), (27, 7705523), (63, 3302367), (189, 1100789), (719, 289359), (1531, 135891), (2157, 96453), (4593, 45297), (5033, 41337), (6471, 32151), (10717, 19413), (13779, 15099)]