208471425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7109}}^1$

素因数の和:7162

約数の個数: 48

約数和(自身を含む): 380868480

約数和(自身を除く): 172397055

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 5865, 7109, 9775, 21327, 29325, 35545, 106635, 120853, 163507, 177725, 362559, 490521, 533175, 604265, 817535, 1812795, 2452605, 2779619, 3021325, 4087675, 8338857, 9063975, 12263025, 13898095, 41694285, 69490475, 208471425]

約数ペア:

[(1, 208471425), (3, 69490475), (5, 41694285), (15, 13898095), (17, 12263025), (23, 9063975), (25, 8338857), (51, 4087675), (69, 3021325), (75, 2779619), (85, 2452605), (115, 1812795), (255, 817535), (345, 604265), (391, 533175), (425, 490521), (575, 362559), (1173, 177725), (1275, 163507), (1725, 120853), (1955, 106635), (5865, 35545), (7109, 29325), (9775, 21327)]