27566815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 8859425

約数列:

[1, 5, 19, 61, 67, 71, 95, 305, 335, 355, 1159, 1273, 1349, 4087, 4331, 4757, 5795, 6365, 6745, 20435, 21655, 23785, 77653, 82289, 90383, 290177, 388265, 411445, 451915, 1450885, 5513363, 27566815]

約数ペア:

[(1, 27566815), (5, 5513363), (19, 1450885), (61, 451915), (67, 411445), (71, 388265), (95, 290177), (305, 90383), (335, 82289), (355, 77653), (1159, 23785), (1273, 21655), (1349, 20435), (4087, 6745), (4331, 6365), (4757, 5795)]