201858975

素因数分解:

$3^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{2131}}^1$

素因数の和:2568

約数の個数: 36

約数和(自身を含む): 362580712

約数和(自身を除く): 160721737

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 421, 1263, 2105, 2131, 3789, 6315, 6393, 10525, 10655, 18945, 19179, 31575, 31965, 53275, 94725, 95895, 159825, 479475, 897151, 2691453, 4485755, 8074359, 13457265, 22428775, 40371795, 67286325, 201858975]

約数ペア:

[(1, 201858975), (3, 67286325), (5, 40371795), (9, 22428775), (15, 13457265), (25, 8074359), (45, 4485755), (75, 2691453), (225, 897151), (421, 479475), (1263, 159825), (2105, 95895), (2131, 94725), (3789, 53275), (6315, 31965), (6393, 31575), (10525, 19179), (10655, 18945)]