281480805

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25121}}^1$

素因数の和:25218

約数の個数: 32

約数和(自身を含む): 506459520

約数和(自身を除く): 224978715

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 3735, 11205, 25121, 75363, 125605, 226089, 376815, 678267, 1130445, 2085043, 3391335, 6255129, 10425215, 18765387, 31275645, 56296161, 93826935, 281480805]

約数ペア:

[(1, 281480805), (3, 93826935), (5, 56296161), (9, 31275645), (15, 18765387), (27, 10425215), (45, 6255129), (83, 3391335), (135, 2085043), (249, 1130445), (415, 678267), (747, 376815), (1245, 226089), (2241, 125605), (3735, 75363), (11205, 25121)]