16556475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17007

約数の個数: 24

約数和(自身を含む): 29480752

約数和(自身を除く): 12924277

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 16981, 50943, 84905, 220753, 254715, 424525, 662259, 1103765, 1273575, 3311295, 5518825, 16556475]

約数ペア:

[(1, 16556475), (3, 5518825), (5, 3311295), (13, 1273575), (15, 1103765), (25, 662259), (39, 424525), (65, 254715), (75, 220753), (195, 84905), (325, 50943), (975, 16981)]