2018979075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{22303}}^1$

素因数の和:22404

約数の個数: 48

約数和(自身を含む): 3584342016

約数和(自身を除く): 1565362941

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 1065, 1207, 1275, 1775, 3621, 5325, 6035, 18105, 22303, 30175, 66909, 90525, 111515, 334545, 379151, 557575, 1137453, 1583513, 1672725, 1895755, 4750539, 5687265, 7917565, 9478775, 23752695, 26919721, 28436325, 39587825, 80759163, 118763475, 134598605, 403795815, 672993025, 2018979075]

約数ペア:

[(1, 2018979075), (3, 672993025), (5, 403795815), (15, 134598605), (17, 118763475), (25, 80759163), (51, 39587825), (71, 28436325), (75, 26919721), (85, 23752695), (213, 9478775), (255, 7917565), (355, 5687265), (425, 4750539), (1065, 1895755), (1207, 1672725), (1275, 1583513), (1775, 1137453), (3621, 557575), (5325, 379151), (6035, 334545), (18105, 111515), (22303, 90525), (30175, 66909)]