2047455

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 3583008

約数和(自身を除く): 1535553

約数列:

[1, 3, 5, 9, 15, 45, 173, 263, 519, 789, 865, 1315, 1557, 2367, 2595, 3945, 7785, 11835, 45499, 136497, 227495, 409491, 682485, 2047455]

約数ペア:

[(1, 2047455), (3, 682485), (5, 409491), (9, 227495), (15, 136497), (45, 45499), (173, 11835), (263, 7785), (519, 3945), (789, 2595), (865, 2367), (1315, 1557)]