201988845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 366043392

約数和(自身を除く): 164054547

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 1935, 2021, 2115, 2221, 6063, 6663, 10105, 11105, 18189, 19989, 30315, 33315, 90945, 95503, 99945, 104387, 286509, 313161, 477515, 521935, 859527, 939483, 1432545, 1565805, 4297635, 4488641, 4697415, 13465923, 22443205, 40397769, 67329615, 201988845]

約数ペア:

[(1, 201988845), (3, 67329615), (5, 40397769), (9, 22443205), (15, 13465923), (43, 4697415), (45, 4488641), (47, 4297635), (129, 1565805), (141, 1432545), (215, 939483), (235, 859527), (387, 521935), (423, 477515), (645, 313161), (705, 286509), (1935, 104387), (2021, 99945), (2115, 95503), (2221, 90945), (6063, 33315), (6663, 30315), (10105, 19989), (11105, 18189)]