211389615

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5821}}^1$

素因数の和:6104

約数の個数: 32

約数和(自身を含む): 377265600

約数和(自身を除く): 165875985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 807, 1345, 2421, 4035, 5821, 7263, 12105, 17463, 29105, 36315, 52389, 87315, 157167, 261945, 785835, 1565849, 4697547, 7829245, 14092641, 23487735, 42277923, 70463205, 211389615]

約数ペア:

[(1, 211389615), (3, 70463205), (5, 42277923), (9, 23487735), (15, 14092641), (27, 7829245), (45, 4697547), (135, 1565849), (269, 785835), (807, 261945), (1345, 157167), (2421, 87315), (4035, 52389), (5821, 36315), (7263, 29105), (12105, 17463)]