28791609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 48328704

約数和(自身を除く): 19537095

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 1103, 1243, 2373, 3309, 3729, 7721, 8701, 12133, 23163, 26103, 36399, 84931, 124639, 254793, 373917, 872473, 1371029, 2617419, 4113087, 9597203, 28791609]

約数ペア:

[(1, 28791609), (3, 9597203), (7, 4113087), (11, 2617419), (21, 1371029), (33, 872473), (77, 373917), (113, 254793), (231, 124639), (339, 84931), (791, 36399), (1103, 26103), (1243, 23163), (2373, 12133), (3309, 8701), (3729, 7721)]