64327767

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 100108800

約数和(自身を除く): 35781033

約数列:

[1, 3, 7, 21, 109, 157, 179, 327, 471, 537, 763, 1099, 1253, 2289, 3297, 3759, 17113, 19511, 28103, 51339, 58533, 84309, 119791, 136577, 196721, 359373, 409731, 590163, 3063227, 9189681, 21442589, 64327767]

約数ペア:

[(1, 64327767), (3, 21442589), (7, 9189681), (21, 3063227), (109, 590163), (157, 409731), (179, 359373), (327, 196721), (471, 136577), (537, 119791), (763, 84309), (1099, 58533), (1253, 51339), (2289, 28103), (3297, 19511), (3759, 17113)]