2500515

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 4372368

約数和(自身を除く): 1871853

約数列:

[1, 3, 5, 9, 15, 45, 181, 307, 543, 905, 921, 1535, 1629, 2715, 2763, 4605, 8145, 13815, 55567, 166701, 277835, 500103, 833505, 2500515]

約数ペア:

[(1, 2500515), (3, 833505), (5, 500103), (9, 277835), (15, 166701), (45, 55567), (181, 13815), (307, 8145), (543, 4605), (905, 2763), (921, 2715), (1535, 1629)]