679485987

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{6449}}^1$

素因数の和:6987

約数の個数: 24

約数和(自身を含む): 1026324000

約数和(自身を除く): 346838013

約数列:

[1, 3, 9, 23, 69, 207, 509, 1527, 4581, 6449, 11707, 19347, 35121, 58041, 105363, 148327, 444981, 1334943, 3282541, 9847623, 29542869, 75498443, 226495329, 679485987]

約数ペア:

[(1, 679485987), (3, 226495329), (9, 75498443), (23, 29542869), (69, 9847623), (207, 3282541), (509, 1334943), (1527, 444981), (4581, 148327), (6449, 105363), (11707, 58041), (19347, 35121)]