2788891281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{420457}}^1$

素因数の和:420541

約数の個数: 24

約数和(自身を含む): 4460218464

約数和(自身を除く): 1671327183

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 6633, 420457, 1261371, 3784113, 4625027, 13875081, 28170619, 41625243, 84511857, 253535571, 309876809, 929630427, 2788891281]

約数ペア:

[(1, 2788891281), (3, 929630427), (9, 309876809), (11, 253535571), (33, 84511857), (67, 41625243), (99, 28170619), (201, 13875081), (603, 4625027), (737, 3784113), (2211, 1261371), (6633, 420457)]