64520043

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 100869120

約数和(自身を除く): 36349077

約数列:

[1, 3, 7, 21, 71, 109, 213, 327, 397, 497, 763, 1191, 1491, 2289, 2779, 7739, 8337, 23217, 28187, 43273, 54173, 84561, 129819, 162519, 197309, 302911, 591927, 908733, 3072383, 9217149, 21506681, 64520043]

約数ペア:

[(1, 64520043), (3, 21506681), (7, 9217149), (21, 3072383), (71, 908733), (109, 591927), (213, 302911), (327, 197309), (397, 162519), (497, 129819), (763, 84561), (1191, 54173), (1491, 43273), (2289, 28187), (2779, 23217), (7739, 8337)]