64885515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4801}}^1$

素因数の和:4879

約数の個数: 32

約数和(自身を含む): 112021056

約数和(自身を除く): 47135541

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 4801, 13515, 14403, 24005, 72015, 81617, 244851, 254453, 408085, 763359, 1224255, 1272265, 3816795, 4325701, 12977103, 21628505, 64885515]

約数ペア:

[(1, 64885515), (3, 21628505), (5, 12977103), (15, 4325701), (17, 3816795), (51, 1272265), (53, 1224255), (85, 763359), (159, 408085), (255, 254453), (265, 244851), (795, 81617), (901, 72015), (2703, 24005), (4505, 14403), (4801, 13515)]