15861015

素因数分解:

$3^4\times 5^1\times {\mathrm{39163}}^1$

素因数の和:39180

約数の個数: 20

約数和(自身を含む): 28433064

約数和(自身を除く): 12572049

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39163, 117489, 195815, 352467, 587445, 1057401, 1762335, 3172203, 5287005, 15861015]

約数ペア:

[(1, 15861015), (3, 5287005), (5, 3172203), (9, 1762335), (15, 1057401), (27, 587445), (45, 352467), (81, 195815), (135, 117489), (405, 39163)]