64651251

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 100970496

約数和(自身を除く): 36319245

約数列:

[1, 3, 7, 21, 71, 131, 213, 331, 393, 497, 917, 993, 1491, 2317, 2751, 6951, 9301, 23501, 27903, 43361, 65107, 70503, 130083, 164507, 195321, 303527, 493521, 910581, 3078631, 9235893, 21550417, 64651251]

約数ペア:

[(1, 64651251), (3, 21550417), (7, 9235893), (21, 3078631), (71, 910581), (131, 493521), (213, 303527), (331, 195321), (393, 164507), (497, 130083), (917, 70503), (993, 65107), (1491, 43361), (2317, 27903), (2751, 23501), (6951, 9301)]