200721009

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1\times {\mathrm{1993}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 272779200

約数和(自身を除く): 72058191

約数列:

[1, 3, 59, 177, 569, 1707, 1993, 5979, 33571, 100713, 117587, 352761, 1134017, 3402051, 66907003, 200721009]

約数ペア:

[(1, 200721009), (3, 66907003), (59, 3402051), (177, 1134017), (569, 352761), (1707, 117587), (1993, 100713), (5979, 33571)]