27998295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2143}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 48986112

約数和(自身を除く): 20987817

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2143, 2613, 4355, 6429, 10715, 13065, 27859, 32145, 83577, 139295, 143581, 417885, 430743, 717905, 1866553, 2153715, 5599659, 9332765, 27998295]

約数ペア:

[(1, 27998295), (3, 9332765), (5, 5599659), (13, 2153715), (15, 1866553), (39, 717905), (65, 430743), (67, 417885), (195, 143581), (201, 139295), (335, 83577), (871, 32145), (1005, 27859), (2143, 13065), (2613, 10715), (4355, 6429)]