855645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 1624320

約数和(自身を除く): 768675

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 281, 435, 609, 843, 1015, 1405, 1967, 3045, 4215, 5901, 8149, 9835, 24447, 29505, 40745, 57043, 122235, 171129, 285215, 855645]

約数ペア:

[(1, 855645), (3, 285215), (5, 171129), (7, 122235), (15, 57043), (21, 40745), (29, 29505), (35, 24447), (87, 9835), (105, 8149), (145, 5901), (203, 4215), (281, 3045), (435, 1967), (609, 1405), (843, 1015)]