2420505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 4457700

約数和(自身を除く): 2037195

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 171, 285, 361, 447, 745, 855, 1083, 1341, 1805, 2235, 2831, 3249, 5415, 6705, 8493, 14155, 16245, 25479, 42465, 53789, 127395, 161367, 268945, 484101, 806835, 2420505]

約数ペア:

[(1, 2420505), (3, 806835), (5, 484101), (9, 268945), (15, 161367), (19, 127395), (45, 53789), (57, 42465), (95, 25479), (149, 16245), (171, 14155), (285, 8493), (361, 6705), (447, 5415), (745, 3249), (855, 2831), (1083, 2235), (1341, 1805)]