2021175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 3904264

約数和(自身を除く): 1883089

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 691, 975, 2073, 2925, 3455, 6219, 8983, 10365, 17275, 26949, 31095, 44915, 51825, 80847, 134745, 155475, 224575, 404235, 673725, 2021175]

約数ペア:

[(1, 2021175), (3, 673725), (5, 404235), (9, 224575), (13, 155475), (15, 134745), (25, 80847), (39, 51825), (45, 44915), (65, 31095), (75, 26949), (117, 17275), (195, 10365), (225, 8983), (325, 6219), (585, 3455), (691, 2925), (975, 2073)]