81691665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15971}}^1$

素因数の和:16021

約数の個数: 32

約数和(自身を含む): 147197952

約数和(自身を除く): 65506287

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 15971, 47913, 79855, 175681, 239565, 495101, 527043, 878405, 1485303, 2475505, 2635215, 5446111, 7426515, 16338333, 27230555, 81691665]

約数ペア:

[(1, 81691665), (3, 27230555), (5, 16338333), (11, 7426515), (15, 5446111), (31, 2635215), (33, 2475505), (55, 1485303), (93, 878405), (155, 527043), (165, 495101), (341, 239565), (465, 175681), (1023, 79855), (1705, 47913), (5115, 15971)]