204729555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 368022528

約数和(自身を除く): 163292973

約数列:

[1, 3, 5, 15, 17, 23, 51, 67, 69, 85, 115, 201, 255, 335, 345, 391, 521, 1005, 1139, 1173, 1541, 1563, 1955, 2605, 3417, 4623, 5695, 5865, 7705, 7815, 8857, 11983, 17085, 23115, 26197, 26571, 34907, 35949, 44285, 59915, 78591, 104721, 130985, 132855, 174535, 179745, 203711, 392955, 523605, 593419, 611133, 802861, 1018555, 1780257, 2408583, 2967095, 3055665, 4014305, 8901285, 12042915, 13648637, 40945911, 68243185, 204729555]

約数ペア:

[(1, 204729555), (3, 68243185), (5, 40945911), (15, 13648637), (17, 12042915), (23, 8901285), (51, 4014305), (67, 3055665), (69, 2967095), (85, 2408583), (115, 1780257), (201, 1018555), (255, 802861), (335, 611133), (345, 593419), (391, 523605), (521, 392955), (1005, 203711), (1139, 179745), (1173, 174535), (1541, 132855), (1563, 130985), (1955, 104721), (2605, 78591), (3417, 59915), (4623, 44285), (5695, 35949), (5865, 34907), (7705, 26571), (7815, 26197), (8857, 23115), (11983, 17085)]