30155139

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 54282240

約数和(自身を除く): 24127101

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 991, 1127, 1323, 1449, 2973, 3381, 4347, 6937, 8919, 10143, 20811, 22793, 26757, 30429, 48559, 62433, 68379, 145677, 159551, 187299, 205137, 437031, 478653, 615411, 1116857, 1311093, 1435959, 3350571, 4307877, 10051713, 30155139]

約数ペア:

[(1, 30155139), (3, 10051713), (7, 4307877), (9, 3350571), (21, 1435959), (23, 1311093), (27, 1116857), (49, 615411), (63, 478653), (69, 437031), (147, 205137), (161, 187299), (189, 159551), (207, 145677), (441, 68379), (483, 62433), (621, 48559), (991, 30429), (1127, 26757), (1323, 22793), (1449, 20811), (2973, 10143), (3381, 8919), (4347, 6937)]