636731895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{16073}}^1$

素因数の和:16239

約数の個数: 32

約数和(自身を含む): 1080172800

約数和(自身を除く): 443440905

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 2085, 2641, 7923, 13205, 16073, 39615, 48219, 80365, 241095, 305387, 916161, 1526935, 2234147, 4580805, 6702441, 11170735, 33512205, 42448793, 127346379, 212243965, 636731895]

約数ペア:

[(1, 636731895), (3, 212243965), (5, 127346379), (15, 42448793), (19, 33512205), (57, 11170735), (95, 6702441), (139, 4580805), (285, 2234147), (417, 1526935), (695, 916161), (2085, 305387), (2641, 241095), (7923, 80365), (13205, 48219), (16073, 39615)]