212819991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 312035328

約数和(自身を除く): 99215337

約数列:

[1, 3, 17, 31, 51, 93, 227, 527, 593, 681, 1581, 1779, 3859, 7037, 10081, 11577, 18383, 21111, 30243, 55149, 119629, 134611, 312511, 358887, 403833, 937533, 2288387, 4172941, 6865161, 12518823, 70939997, 212819991]

約数ペア:

[(1, 212819991), (3, 70939997), (17, 12518823), (31, 6865161), (51, 4172941), (93, 2288387), (227, 937533), (527, 403833), (593, 358887), (681, 312511), (1581, 134611), (1779, 119629), (3859, 55149), (7037, 30243), (10081, 21111), (11577, 18383)]