27878697

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 51292800

約数和(自身を除く): 23414103

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 693, 821, 1029, 1617, 2463, 3087, 3773, 4851, 5747, 7389, 9031, 11319, 17241, 27093, 33957, 40229, 51723, 63217, 81279, 120687, 189651, 281603, 362061, 442519, 568953, 844809, 1327557, 2534427, 3097633, 3982671, 9292899, 27878697]

約数ペア:

[(1, 27878697), (3, 9292899), (7, 3982671), (9, 3097633), (11, 2534427), (21, 1327557), (33, 844809), (49, 568953), (63, 442519), (77, 362061), (99, 281603), (147, 189651), (231, 120687), (343, 81279), (441, 63217), (539, 51723), (693, 40229), (821, 33957), (1029, 27093), (1617, 17241), (2463, 11319), (3087, 9031), (3773, 7389), (4851, 5747)]