8520645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 16404480

約数和(自身を除く): 7883835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4271, 12813, 21355, 29897, 64065, 81149, 89691, 149485, 243447, 405745, 448455, 568043, 1217235, 1704129, 2840215, 8520645]

約数ペア:

[(1, 8520645), (3, 2840215), (5, 1704129), (7, 1217235), (15, 568043), (19, 448455), (21, 405745), (35, 243447), (57, 149485), (95, 89691), (105, 81149), (133, 64065), (285, 29897), (399, 21355), (665, 12813), (1995, 4271)]