161915091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 241920000

約数和(自身を除く): 80004909

約数列:

[1, 3, 13, 29, 39, 87, 239, 377, 599, 717, 1131, 1797, 3107, 6931, 7787, 9321, 17371, 20793, 23361, 52113, 90103, 143161, 225823, 270309, 429483, 677469, 1861093, 4151669, 5583279, 12455007, 53971697, 161915091]

約数ペア:

[(1, 161915091), (3, 53971697), (13, 12455007), (29, 5583279), (39, 4151669), (87, 1861093), (239, 677469), (377, 429483), (599, 270309), (717, 225823), (1131, 143161), (1797, 90103), (3107, 52113), (6931, 23361), (7787, 20793), (9321, 17371)]