1800945

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 3224832

約数和(自身を除く): 1423887

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1291, 1395, 3873, 6455, 11619, 19365, 40021, 58095, 120063, 200105, 360189, 600315, 1800945]

約数ペア:

[(1, 1800945), (3, 600315), (5, 360189), (9, 200105), (15, 120063), (31, 58095), (45, 40021), (93, 19365), (155, 11619), (279, 6455), (465, 3873), (1291, 1395)]