1319736321

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{561829}}^1$

素因数の和:561870

約数の個数: 20

約数和(自身を含む): 2039442900

約数和(自身を除く): 719706579

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 561829, 1685487, 5056461, 15169383, 16293041, 45508149, 48879123, 146637369, 439912107, 1319736321]

約数ペア:

[(1, 1319736321), (3, 439912107), (9, 146637369), (27, 48879123), (29, 45508149), (81, 16293041), (87, 15169383), (261, 5056461), (783, 1685487), (2349, 561829)]