64872555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20731

約数の個数: 32

約数和(自身を含む): 119197440

約数和(自身を除く): 54324885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 20693, 62079, 103465, 227623, 310395, 393167, 682869, 1138115, 1179501, 1965835, 3414345, 4324837, 5897505, 12974511, 21624185, 64872555]

約数ペア:

[(1, 64872555), (3, 21624185), (5, 12974511), (11, 5897505), (15, 4324837), (19, 3414345), (33, 1965835), (55, 1179501), (57, 1138115), (95, 682869), (165, 393167), (209, 310395), (285, 227623), (627, 103465), (1045, 62079), (3135, 20693)]