1808883225

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{21101}}^1$

素因数の和:21247

約数の個数: 48

約数和(自身を含む): 3349309440

約数和(自身を除く): 1540426215

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 381, 635, 675, 1143, 1905, 3175, 3429, 5715, 9525, 17145, 21101, 28575, 63303, 85725, 105505, 189909, 316515, 527525, 569727, 949545, 1582575, 2679827, 2848635, 4747725, 8039481, 13399135, 14243175, 24118443, 40197405, 66995675, 72355329, 120592215, 200987025, 361776645, 602961075, 1808883225]

約数ペア:

[(1, 1808883225), (3, 602961075), (5, 361776645), (9, 200987025), (15, 120592215), (25, 72355329), (27, 66995675), (45, 40197405), (75, 24118443), (127, 14243175), (135, 13399135), (225, 8039481), (381, 4747725), (635, 2848635), (675, 2679827), (1143, 1582575), (1905, 949545), (3175, 569727), (3429, 527525), (5715, 316515), (9525, 189909), (17145, 105505), (21101, 85725), (28575, 63303)]