2018745

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 3539016

約数和(自身を除く): 1520271

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 397, 565, 1017, 1191, 1695, 1985, 3573, 5085, 5955, 17865, 44861, 134583, 224305, 403749, 672915, 2018745]

約数ペア:

[(1, 2018745), (3, 672915), (5, 403749), (9, 224305), (15, 134583), (45, 44861), (113, 17865), (339, 5955), (397, 5085), (565, 3573), (1017, 1985), (1191, 1695)]