408020145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{123083}}^1$

素因数の和:123121

約数の個数: 32

約数和(自身を含む): 744412032

約数和(自身を除く): 336391887

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 123083, 369249, 615415, 1600079, 1846245, 2092411, 4800237, 6277233, 8000395, 10462055, 24001185, 27201343, 31386165, 81604029, 136006715, 408020145]

約数ペア:

[(1, 408020145), (3, 136006715), (5, 81604029), (13, 31386165), (15, 27201343), (17, 24001185), (39, 10462055), (51, 8000395), (65, 6277233), (85, 4800237), (195, 2092411), (221, 1846245), (255, 1600079), (663, 615415), (1105, 369249), (3315, 123083)]