30138579

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 18783021

約数列:

[1, 3, 9, 19, 23, 57, 69, 79, 97, 171, 207, 237, 291, 437, 711, 873, 1311, 1501, 1817, 1843, 2231, 3933, 4503, 5451, 5529, 6693, 7663, 13509, 16353, 16587, 20079, 22989, 34523, 42389, 68967, 103569, 127167, 145597, 176249, 310707, 381501, 436791, 528747, 1310373, 1586241, 3348731, 10046193, 30138579]

約数ペア:

[(1, 30138579), (3, 10046193), (9, 3348731), (19, 1586241), (23, 1310373), (57, 528747), (69, 436791), (79, 381501), (97, 310707), (171, 176249), (207, 145597), (237, 127167), (291, 103569), (437, 68967), (711, 42389), (873, 34523), (1311, 22989), (1501, 20079), (1817, 16587), (1843, 16353), (2231, 13509), (3933, 7663), (4503, 6693), (5451, 5529)]