216740745

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123499}}^1$

素因数の和:123526

約数の個数: 32

約数和(自身を含む): 414960000

約数和(自身を除く): 198219255

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 123499, 370497, 617495, 1111491, 1605487, 1852485, 3334473, 4816461, 5557455, 8027435, 14449383, 16672365, 24082305, 43348149, 72246915, 216740745]

約数ペア:

[(1, 216740745), (3, 72246915), (5, 43348149), (9, 24082305), (13, 16672365), (15, 14449383), (27, 8027435), (39, 5557455), (45, 4816461), (65, 3334473), (117, 1852485), (135, 1605487), (195, 1111491), (351, 617495), (585, 370497), (1755, 123499)]