87402231

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 153753600

約数和(自身を除く): 66351369

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1231, 1449, 3087, 3381, 3693, 7889, 8617, 10143, 11079, 23667, 25851, 28313, 60319, 71001, 77553, 84939, 180957, 198191, 254817, 422233, 542871, 594573, 1266699, 1387337, 1783719, 3800097, 4162011, 9711359, 12486033, 29134077, 87402231]

約数ペア:

[(1, 87402231), (3, 29134077), (7, 12486033), (9, 9711359), (21, 4162011), (23, 3800097), (49, 1783719), (63, 1387337), (69, 1266699), (147, 594573), (161, 542871), (207, 422233), (343, 254817), (441, 198191), (483, 180957), (1029, 84939), (1127, 77553), (1231, 71001), (1449, 60319), (3087, 28313), (3381, 25851), (3693, 23667), (7889, 11079), (8617, 10143)]