28112931

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 23104989

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 113, 231, 339, 359, 693, 791, 1017, 1077, 1243, 2373, 2513, 3231, 3729, 3949, 7119, 7539, 8701, 11187, 11847, 22617, 26103, 27643, 35541, 40567, 78309, 82929, 121701, 248787, 283969, 365103, 446237, 851907, 1338711, 2555721, 3123659, 4016133, 9370977, 28112931]

約数ペア:

[(1, 28112931), (3, 9370977), (7, 4016133), (9, 3123659), (11, 2555721), (21, 1338711), (33, 851907), (63, 446237), (77, 365103), (99, 283969), (113, 248787), (231, 121701), (339, 82929), (359, 78309), (693, 40567), (791, 35541), (1017, 27643), (1077, 26103), (1243, 22617), (2373, 11847), (2513, 11187), (3231, 8701), (3729, 7539), (3949, 7119)]