805805

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 48

約数和(自身を含む): 1378944

約数和(自身を除く): 573139

約数列:

[1, 5, 7, 11, 13, 23, 35, 49, 55, 65, 77, 91, 115, 143, 161, 245, 253, 299, 385, 455, 539, 637, 715, 805, 1001, 1127, 1265, 1495, 1771, 2093, 2695, 3185, 3289, 5005, 5635, 7007, 8855, 10465, 12397, 14651, 16445, 23023, 35035, 61985, 73255, 115115, 161161, 805805]

約数ペア:

[(1, 805805), (5, 161161), (7, 115115), (11, 73255), (13, 61985), (23, 35035), (35, 23023), (49, 16445), (55, 14651), (65, 12397), (77, 10465), (91, 8855), (115, 7007), (143, 5635), (161, 5005), (245, 3289), (253, 3185), (299, 2695), (385, 2093), (455, 1771), (539, 1495), (637, 1265), (715, 1127), (805, 1001)]