123747981

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 212160384

約数和(自身を除く): 88412403

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 357, 391, 483, 833, 1127, 1173, 2153, 2499, 2737, 3381, 6459, 8211, 15071, 19159, 36601, 45213, 49519, 57477, 105497, 109803, 148557, 256207, 316491, 346633, 768621, 841823, 1039899, 1793449, 2426431, 2525469, 5380347, 5892761, 7279293, 17678283, 41249327, 123747981]

約数ペア:

[(1, 123747981), (3, 41249327), (7, 17678283), (17, 7279293), (21, 5892761), (23, 5380347), (49, 2525469), (51, 2426431), (69, 1793449), (119, 1039899), (147, 841823), (161, 768621), (357, 346633), (391, 316491), (483, 256207), (833, 148557), (1127, 109803), (1173, 105497), (2153, 57477), (2499, 49519), (2737, 45213), (3381, 36601), (6459, 19159), (8211, 15071)]