64788525

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1883

約数の個数: 48

約数和(自身を含む): 121331520

約数和(自身を除く): 56542995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 1811, 2385, 3975, 5433, 7155, 9055, 11925, 16299, 27165, 35775, 45275, 48897, 81495, 95983, 135825, 244485, 287949, 407475, 479915, 863847, 1222425, 1439745, 2399575, 2591541, 4319235, 7198725, 12957705, 21596175, 64788525]

約数ペア:

[(1, 64788525), (3, 21596175), (5, 12957705), (9, 7198725), (15, 4319235), (25, 2591541), (27, 2399575), (45, 1439745), (53, 1222425), (75, 863847), (135, 479915), (159, 407475), (225, 287949), (265, 244485), (477, 135825), (675, 95983), (795, 81495), (1325, 48897), (1431, 45275), (1811, 35775), (2385, 27165), (3975, 16299), (5433, 11925), (7155, 9055)]