201815901

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{36821}}^1$

素因数の和:36866

約数の個数: 32

約数和(自身を含む): 353491200

約数和(自身を除く): 151675299

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 36821, 110463, 257747, 331389, 773241, 994167, 1067809, 2319723, 3203427, 6959169, 7474663, 9610281, 22423989, 28830843, 67271967, 201815901]

約数ペア:

[(1, 201815901), (3, 67271967), (7, 28830843), (9, 22423989), (21, 9610281), (27, 7474663), (29, 6959169), (63, 3203427), (87, 2319723), (189, 1067809), (203, 994167), (261, 773241), (609, 331389), (783, 257747), (1827, 110463), (5481, 36821)]