2021374875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{414641}}^1$

素因数の和:414672

約数の個数: 32

約数和(自身を含む): 3622312512

約数和(自身を除く): 1600937637

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 414641, 1243923, 2073205, 5390333, 6219615, 10366025, 16170999, 26951665, 31098075, 51830125, 80854995, 134758325, 155490375, 404274975, 673791625, 2021374875]

約数ペア:

[(1, 2021374875), (3, 673791625), (5, 404274975), (13, 155490375), (15, 134758325), (25, 80854995), (39, 51830125), (65, 31098075), (75, 26951665), (125, 16170999), (195, 10366025), (325, 6219615), (375, 5390333), (975, 2073205), (1625, 1243923), (4875, 414641)]