81007605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 161316480

約数和(自身を除く): 80308875

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 229, 315, 687, 1123, 1145, 1603, 2061, 3369, 3435, 4809, 5615, 7861, 8015, 10107, 10305, 14427, 16845, 23583, 24045, 39305, 50535, 70749, 72135, 117915, 257167, 353745, 771501, 1285835, 1800169, 2314503, 3857505, 5400507, 9000845, 11572515, 16201521, 27002535, 81007605]

約数ペア:

[(1, 81007605), (3, 27002535), (5, 16201521), (7, 11572515), (9, 9000845), (15, 5400507), (21, 3857505), (35, 2314503), (45, 1800169), (63, 1285835), (105, 771501), (229, 353745), (315, 257167), (687, 117915), (1123, 72135), (1145, 70749), (1603, 50535), (2061, 39305), (3369, 24045), (3435, 23583), (4809, 16845), (5615, 14427), (7861, 10305), (8015, 10107)]