64339995

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 40584165

約数列:

[1, 3, 5, 15, 131, 137, 239, 393, 411, 655, 685, 717, 1195, 1965, 2055, 3585, 17947, 31309, 32743, 53841, 89735, 93927, 98229, 156545, 163715, 269205, 469635, 491145, 4289333, 12867999, 21446665, 64339995]

約数ペア:

[(1, 64339995), (3, 21446665), (5, 12867999), (15, 4289333), (131, 491145), (137, 469635), (239, 269205), (393, 163715), (411, 156545), (655, 98229), (685, 93927), (717, 89735), (1195, 53841), (1965, 32743), (2055, 31309), (3585, 17947)]