201981381

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{10331}}^1$

素因数の和:10374

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 128642619

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 10331, 19551, 30993, 72317, 196289, 216951, 506219, 588867, 1374023, 1518657, 3543533, 4122069, 9618161, 10630599, 28854483, 67327127, 201981381]

約数ペア:

[(1, 201981381), (3, 67327127), (7, 28854483), (19, 10630599), (21, 9618161), (49, 4122069), (57, 3543533), (133, 1518657), (147, 1374023), (343, 588867), (399, 506219), (931, 216951), (1029, 196289), (2793, 72317), (6517, 30993), (10331, 19551)]