28806579

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 42711552

約数和(自身を除く): 13904973

約数列:

[1, 3, 9, 61, 137, 183, 383, 411, 549, 1149, 1233, 3447, 8357, 23363, 25071, 52471, 70089, 75213, 157413, 210267, 472239, 3200731, 9602193, 28806579]

約数ペア:

[(1, 28806579), (3, 9602193), (9, 3200731), (61, 472239), (137, 210267), (183, 157413), (383, 75213), (411, 70089), (549, 52471), (1149, 25071), (1233, 23363), (3447, 8357)]