15315975

素因数分解:

$3^2\times 5^2\times {\mathrm{68071}}^1$

素因数の和:68087

約数の個数: 18

約数和(自身を含む): 27433016

約数和(自身を除く): 12117041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 68071, 204213, 340355, 612639, 1021065, 1701775, 3063195, 5105325, 15315975]

約数ペア:

[(1, 15315975), (3, 5105325), (5, 3063195), (9, 1701775), (15, 1021065), (25, 612639), (45, 340355), (75, 204213), (225, 68071)]