25142271

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3563

約数の個数: 32

約数和(自身を含む): 43155456

約数和(自身を除く): 18013185

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3511, 7161, 10533, 24577, 38621, 73731, 108841, 115863, 270347, 326523, 761887, 811041, 1197251, 2285661, 3591753, 8380757, 25142271]

約数ペア:

[(1, 25142271), (3, 8380757), (7, 3591753), (11, 2285661), (21, 1197251), (31, 811041), (33, 761887), (77, 326523), (93, 270347), (217, 115863), (231, 108841), (341, 73731), (651, 38621), (1023, 24577), (2387, 10533), (3511, 7161)]