27770775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 50782464

約数和(自身を除く): 23011689

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 947, 1173, 1275, 1725, 1955, 2841, 4735, 5865, 9775, 14205, 16099, 21781, 23675, 29325, 48297, 65343, 71025, 80495, 108905, 241485, 326715, 370277, 402475, 544525, 1110831, 1207425, 1633575, 1851385, 5554155, 9256925, 27770775]

約数ペア:

[(1, 27770775), (3, 9256925), (5, 5554155), (15, 1851385), (17, 1633575), (23, 1207425), (25, 1110831), (51, 544525), (69, 402475), (75, 370277), (85, 326715), (115, 241485), (255, 108905), (345, 80495), (391, 71025), (425, 65343), (575, 48297), (947, 29325), (1173, 23675), (1275, 21781), (1725, 16099), (1955, 14205), (2841, 9775), (4735, 5865)]