1619505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3116880

約数和(自身を除く): 1497375

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 73, 85, 87, 145, 153, 219, 255, 261, 365, 435, 493, 657, 765, 1095, 1241, 1305, 1479, 2117, 2465, 3285, 3723, 4437, 6205, 6351, 7395, 10585, 11169, 18615, 19053, 22185, 31755, 35989, 55845, 95265, 107967, 179945, 323901, 539835, 1619505]

約数ペア:

[(1, 1619505), (3, 539835), (5, 323901), (9, 179945), (15, 107967), (17, 95265), (29, 55845), (45, 35989), (51, 31755), (73, 22185), (85, 19053), (87, 18615), (145, 11169), (153, 10585), (219, 7395), (255, 6351), (261, 6205), (365, 4437), (435, 3723), (493, 3285), (657, 2465), (765, 2117), (1095, 1479), (1241, 1305)]