25378395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12721}}^1$

素因数の和:12755

約数の個数: 32

約数和(自身を含む): 48852480

約数和(自身を除く): 23474085

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 12721, 38163, 63605, 89047, 190815, 241699, 267141, 445235, 725097, 1208495, 1335705, 1691893, 3625485, 5075679, 8459465, 25378395]

約数ペア:

[(1, 25378395), (3, 8459465), (5, 5075679), (7, 3625485), (15, 1691893), (19, 1335705), (21, 1208495), (35, 725097), (57, 445235), (95, 267141), (105, 241699), (133, 190815), (285, 89047), (399, 63605), (665, 38163), (1995, 12721)]