253131858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{669661}}^1$

素因数の和:669679

約数の個数: 32

約数和(自身を含む): 642875520

約数和(自身を除く): 389743662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 669661, 1339322, 2008983, 4017966, 4687627, 6026949, 9375254, 12053898, 14062881, 18080847, 28125762, 36161694, 42188643, 84377286, 126565929, 253131858]

約数ペア:

[(1, 253131858), (2, 126565929), (3, 84377286), (6, 42188643), (7, 36161694), (9, 28125762), (14, 18080847), (18, 14062881), (21, 12053898), (27, 9375254), (42, 6026949), (54, 4687627), (63, 4017966), (126, 2008983), (189, 1339322), (378, 669661)]