3989013

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 6285504

約数和(自身を除く): 2296491

約数列:

[1, 3, 7, 21, 41, 113, 123, 287, 339, 791, 861, 1681, 2373, 4633, 5043, 11767, 13899, 32431, 35301, 97293, 189953, 569859, 1329671, 3989013]

約数ペア:

[(1, 3989013), (3, 1329671), (7, 569859), (21, 189953), (41, 97293), (113, 35301), (123, 32431), (287, 13899), (339, 11767), (791, 5043), (861, 4633), (1681, 2373)]