12511905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 11619615

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 587, 609, 735, 1015, 1421, 1761, 2935, 3045, 4109, 4263, 7105, 8805, 12327, 17023, 20545, 21315, 28763, 51069, 61635, 85115, 86289, 119161, 143815, 255345, 357483, 431445, 595805, 834127, 1787415, 2502381, 4170635, 12511905]

約数ペア:

[(1, 12511905), (3, 4170635), (5, 2502381), (7, 1787415), (15, 834127), (21, 595805), (29, 431445), (35, 357483), (49, 255345), (87, 143815), (105, 119161), (145, 86289), (147, 85115), (203, 61635), (245, 51069), (435, 28763), (587, 21315), (609, 20545), (735, 17023), (1015, 12327), (1421, 8805), (1761, 7105), (2935, 4263), (3045, 4109)]