81228225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83311}}^1$

素因数の和:83337

約数の個数: 24

約数和(自身を含む): 144629632

約数和(自身を除く): 63401407

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 83311, 249933, 416555, 1083043, 1249665, 2082775, 3249129, 5415215, 6248325, 16245645, 27076075, 81228225]

約数ペア:

[(1, 81228225), (3, 27076075), (5, 16245645), (13, 6248325), (15, 5415215), (25, 3249129), (39, 2082775), (65, 1249665), (75, 1083043), (195, 416555), (325, 249933), (975, 83311)]