23271561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 14642679

約数列:

[1, 3, 9, 19, 23, 57, 61, 69, 97, 171, 183, 207, 291, 437, 549, 873, 1159, 1311, 1403, 1843, 2231, 3477, 3933, 4209, 5529, 5917, 6693, 10431, 12627, 16587, 17751, 20079, 26657, 42389, 53253, 79971, 112423, 127167, 136091, 239913, 337269, 381501, 408273, 1011807, 1224819, 2585729, 7757187, 23271561]

約数ペア:

[(1, 23271561), (3, 7757187), (9, 2585729), (19, 1224819), (23, 1011807), (57, 408273), (61, 381501), (69, 337269), (97, 239913), (171, 136091), (183, 127167), (207, 112423), (291, 79971), (437, 53253), (549, 42389), (873, 26657), (1159, 20079), (1311, 17751), (1403, 16587), (1843, 12627), (2231, 10431), (3477, 6693), (3933, 5917), (4209, 5529)]