2156851203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{6301}}^1$

素因数の和:6515

約数の個数: 32

約数和(自身を含む): 3167738112

約数和(自身を除く): 1010886909

約数列:

[1, 3, 13, 39, 67, 131, 201, 393, 871, 1703, 2613, 5109, 6301, 8777, 18903, 26331, 81913, 114101, 245739, 342303, 422167, 825431, 1266501, 2476293, 5488171, 10730603, 16464513, 32191809, 55303877, 165911631, 718950401, 2156851203]

約数ペア:

[(1, 2156851203), (3, 718950401), (13, 165911631), (39, 55303877), (67, 32191809), (131, 16464513), (201, 10730603), (393, 5488171), (871, 2476293), (1703, 1266501), (2613, 825431), (5109, 422167), (6301, 342303), (8777, 245739), (18903, 114101), (26331, 81913)]