2019979875

素因数分解:

$3^1\times 5^3\times {\mathrm{1543}}^1\times {\mathrm{3491}}^1$

素因数の和:5052

約数の個数: 32

約数和(自身を含む): 3364388352

約数和(自身を除く): 1344408477

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1543, 3491, 4629, 7715, 10473, 17455, 23145, 38575, 52365, 87275, 115725, 192875, 261825, 436375, 578625, 1309125, 5386613, 16159839, 26933065, 80799195, 134665325, 403995975, 673326625, 2019979875]

約数ペア:

[(1, 2019979875), (3, 673326625), (5, 403995975), (15, 134665325), (25, 80799195), (75, 26933065), (125, 16159839), (375, 5386613), (1543, 1309125), (3491, 578625), (4629, 436375), (7715, 261825), (10473, 192875), (17455, 115725), (23145, 87275), (38575, 52365)]