17421255

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8237}}^1$

素因数の和:8295

約数の個数: 24

約数和(自身を含む): 30843072

約数和(自身を除く): 13421817

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 8237, 24711, 41185, 74133, 123555, 370665, 387139, 1161417, 1935695, 3484251, 5807085, 17421255]

約数ペア:

[(1, 17421255), (3, 5807085), (5, 3484251), (9, 1935695), (15, 1161417), (45, 387139), (47, 370665), (141, 123555), (235, 74133), (423, 41185), (705, 24711), (2115, 8237)]