1999293855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{10559}}^1$

素因数の和:11551

約数の個数: 32

約数和(自身を含む): 3448811520

約数和(自身を除く): 1449517665

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 971, 2913, 4855, 10559, 12623, 14565, 31677, 37869, 52795, 63115, 137267, 158385, 189345, 411801, 686335, 2059005, 10252789, 30758367, 51263945, 133286257, 153791835, 399858771, 666431285, 1999293855]

約数ペア:

[(1, 1999293855), (3, 666431285), (5, 399858771), (13, 153791835), (15, 133286257), (39, 51263945), (65, 30758367), (195, 10252789), (971, 2059005), (2913, 686335), (4855, 411801), (10559, 189345), (12623, 158385), (14565, 137267), (31677, 63115), (37869, 52795)]