28520415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8231}}^1$

素因数の和:8260

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 33120801

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 8231, 24693, 41155, 57617, 74079, 90541, 123465, 172851, 271623, 288085, 370395, 452705, 518553, 633787, 814869, 864255, 1358115, 1901361, 2592765, 3168935, 4074345, 5704083, 9506805, 28520415]

約数ペア:

[(1, 28520415), (3, 9506805), (5, 5704083), (7, 4074345), (9, 3168935), (11, 2592765), (15, 1901361), (21, 1358115), (33, 864255), (35, 814869), (45, 633787), (55, 518553), (63, 452705), (77, 370395), (99, 288085), (105, 271623), (165, 172851), (231, 123465), (315, 90541), (385, 74079), (495, 57617), (693, 41155), (1155, 24693), (3465, 8231)]