201990311415

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18939551}}^1$

素因数の和:18939644

約数の個数: 32

約数和(自身を含む): 363639398400

約数和(自身を除く): 161649086985

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 3555, 10665, 18939551, 56818653, 94697755, 170455959, 284093265, 511367877, 852279795, 1496224529, 2556839385, 4488673587, 7481122645, 13466020761, 22443367935, 40398062283, 67330103805, 201990311415]

約数ペア:

[(1, 201990311415), (3, 67330103805), (5, 40398062283), (9, 22443367935), (15, 13466020761), (27, 7481122645), (45, 4488673587), (79, 2556839385), (135, 1496224529), (237, 852279795), (395, 511367877), (711, 284093265), (1185, 170455959), (2133, 94697755), (3555, 56818653), (10665, 18939551)]