208787523

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30781}}^1$

素因数の和:30827

約数の個数: 32

約数和(自身を含む): 354608640

約数和(自身を除く): 145821117

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 30781, 92343, 215467, 523277, 584839, 646401, 1569831, 1754517, 3662939, 4093873, 9942263, 10988817, 12281619, 29826789, 69595841, 208787523]

約数ペア:

[(1, 208787523), (3, 69595841), (7, 29826789), (17, 12281619), (19, 10988817), (21, 9942263), (51, 4093873), (57, 3662939), (119, 1754517), (133, 1569831), (323, 646401), (357, 584839), (399, 523277), (969, 215467), (2261, 92343), (6783, 30781)]