39439905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 26500575

約数列:

[1, 3, 5, 15, 31, 89, 93, 155, 267, 445, 465, 953, 1335, 2759, 2859, 4765, 8277, 13795, 14295, 29543, 41385, 84817, 88629, 147715, 254451, 424085, 443145, 1272255, 2629327, 7887981, 13146635, 39439905]

約数ペア:

[(1, 39439905), (3, 13146635), (5, 7887981), (15, 2629327), (31, 1272255), (89, 443145), (93, 424085), (155, 254451), (267, 147715), (445, 88629), (465, 84817), (953, 41385), (1335, 29543), (2759, 14295), (2859, 13795), (4765, 8277)]