287972013

素因数分解:

$3^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{12211}}^1$

素因数の和:13344

約数の個数: 16

約数和(自身を含む): 439241216

約数和(自身を除く): 151269203

約数列:

[1, 3, 7, 21, 1123, 3369, 7861, 12211, 23583, 36633, 85477, 256431, 13712953, 41138859, 95990671, 287972013]

約数ペア:

[(1, 287972013), (3, 95990671), (7, 41138859), (21, 13712953), (1123, 256431), (3369, 85477), (7861, 36633), (12211, 23583)]