64838127

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 95915520

約数和(自身を除く): 31077393

約数列:

[1, 3, 19, 23, 57, 69, 137, 361, 411, 437, 1083, 1311, 2603, 3151, 6859, 7809, 8303, 9453, 20577, 24909, 49457, 59869, 148371, 157757, 179607, 473271, 939683, 1137511, 2819049, 3412533, 21612709, 64838127]

約数ペア:

[(1, 64838127), (3, 21612709), (19, 3412533), (23, 2819049), (57, 1137511), (69, 939683), (137, 473271), (361, 179607), (411, 157757), (437, 148371), (1083, 59869), (1311, 49457), (2603, 24909), (3151, 20577), (6859, 9453), (7809, 8303)]