17988165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 34031088

約数和(自身を除く): 16042923

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 317, 485, 585, 873, 951, 1261, 1455, 1585, 2853, 3783, 4121, 4365, 4755, 6305, 11349, 12363, 14265, 18915, 20605, 30749, 37089, 56745, 61815, 92247, 153745, 185445, 276741, 399737, 461235, 1199211, 1383705, 1998685, 3597633, 5996055, 17988165]

約数ペア:

[(1, 17988165), (3, 5996055), (5, 3597633), (9, 1998685), (13, 1383705), (15, 1199211), (39, 461235), (45, 399737), (65, 276741), (97, 185445), (117, 153745), (195, 92247), (291, 61815), (317, 56745), (485, 37089), (585, 30749), (873, 20605), (951, 18915), (1261, 14265), (1455, 12363), (1585, 11349), (2853, 6305), (3783, 4755), (4121, 4365)]