81371535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26723}}^1$

素因数の和:26767

約数の個数: 32

約数和(自身を含む): 153930240

約数和(自身を除く): 72558705

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 26723, 80169, 133615, 187061, 400845, 561183, 774967, 935305, 2324901, 2805915, 3874835, 5424769, 11624505, 16274307, 27123845, 81371535]

約数ペア:

[(1, 81371535), (3, 27123845), (5, 16274307), (7, 11624505), (15, 5424769), (21, 3874835), (29, 2805915), (35, 2324901), (87, 935305), (105, 774967), (145, 561183), (203, 400845), (435, 187061), (609, 133615), (1015, 80169), (3045, 26723)]