201986379

素因数分解:

$3^4\times 7^2\times {\mathrm{50891}}^1$

素因数の和:50917

約数の個数: 30

約数和(自身を含む): 351002124

約数和(自身を除く): 149015745

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 50891, 152673, 356237, 458019, 1068711, 1374057, 2493659, 3206133, 4122171, 7480977, 9618399, 22442931, 28855197, 67328793, 201986379]

約数ペア:

[(1, 201986379), (3, 67328793), (7, 28855197), (9, 22442931), (21, 9618399), (27, 7480977), (49, 4122171), (63, 3206133), (81, 2493659), (147, 1374057), (189, 1068711), (441, 458019), (567, 356237), (1323, 152673), (3969, 50891)]