990945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 1842516

約数和(自身を除く): 851571

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 361, 549, 855, 915, 1083, 1159, 1805, 2745, 3249, 3477, 5415, 5795, 10431, 16245, 17385, 22021, 52155, 66063, 110105, 198189, 330315, 990945]

約数ペア:

[(1, 990945), (3, 330315), (5, 198189), (9, 110105), (15, 66063), (19, 52155), (45, 22021), (57, 17385), (61, 16245), (95, 10431), (171, 5795), (183, 5415), (285, 3477), (305, 3249), (361, 2745), (549, 1805), (855, 1159), (915, 1083)]