64136541

素因数分解:

$3^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 100614400

約数和(自身を除く): 36477859

約数列:

[1, 3, 7, 21, 49, 147, 157, 343, 397, 471, 1029, 1099, 1191, 2779, 3297, 7693, 8337, 19453, 23079, 53851, 58359, 62329, 136171, 161553, 186987, 408513, 436303, 1308909, 3054121, 9162363, 21378847, 64136541]

約数ペア:

[(1, 64136541), (3, 21378847), (7, 9162363), (21, 3054121), (49, 1308909), (147, 436303), (157, 408513), (343, 186987), (397, 161553), (471, 136171), (1029, 62329), (1099, 58359), (1191, 53851), (2779, 23079), (3297, 19453), (7693, 8337)]