1869855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 3311616

約数和(自身を除く): 1441761

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 223, 559, 645, 669, 1115, 1677, 2795, 2899, 3345, 8385, 8697, 9589, 14495, 28767, 43485, 47945, 124657, 143835, 373971, 623285, 1869855]

約数ペア:

[(1, 1869855), (3, 623285), (5, 373971), (13, 143835), (15, 124657), (39, 47945), (43, 43485), (65, 28767), (129, 14495), (195, 9589), (215, 8697), (223, 8385), (559, 3345), (645, 2899), (669, 2795), (1115, 1677)]