80170215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16547}}^1$

素因数の和:16591

約数の個数: 32

約数和(自身を含む): 142974720

約数和(自身を除く): 62804505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 16547, 49641, 82735, 248205, 281299, 314393, 843897, 943179, 1406495, 1571965, 4219485, 4715895, 5344681, 16034043, 26723405, 80170215]

約数ペア:

[(1, 80170215), (3, 26723405), (5, 16034043), (15, 5344681), (17, 4715895), (19, 4219485), (51, 1571965), (57, 1406495), (85, 943179), (95, 843897), (255, 314393), (285, 281299), (323, 248205), (969, 82735), (1615, 49641), (4845, 16547)]