2021188005

素因数分解:

$3^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{11987}}^1$

素因数の和:13250

約数の個数: 32

約数和(自身を含む): 3596400000

約数和(自身を除く): 1575211995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1249, 3747, 6245, 11241, 11987, 18735, 33723, 35961, 56205, 59935, 107883, 168615, 179805, 323649, 539415, 1618245, 14971763, 44915289, 74858815, 134745867, 224576445, 404237601, 673729335, 2021188005]

約数ペア:

[(1, 2021188005), (3, 673729335), (5, 404237601), (9, 224576445), (15, 134745867), (27, 74858815), (45, 44915289), (135, 14971763), (1249, 1618245), (3747, 539415), (6245, 323649), (11241, 179805), (11987, 168615), (18735, 107883), (33723, 59935), (35961, 56205)]