171856995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 311040000

約数和(自身を除く): 139183005

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 79, 85, 95, 237, 255, 285, 323, 395, 449, 969, 1185, 1343, 1347, 1501, 1615, 2245, 4029, 4503, 4845, 6715, 6735, 7505, 7633, 8531, 20145, 22515, 22899, 25517, 25593, 35471, 38165, 42655, 76551, 106413, 114495, 127585, 127965, 145027, 177355, 382755, 435081, 532065, 603007, 673949, 725135, 1809021, 2021847, 2175405, 3015035, 3369745, 9045105, 10109235, 11457133, 34371399, 57285665, 171856995]

約数ペア:

[(1, 171856995), (3, 57285665), (5, 34371399), (15, 11457133), (17, 10109235), (19, 9045105), (51, 3369745), (57, 3015035), (79, 2175405), (85, 2021847), (95, 1809021), (237, 725135), (255, 673949), (285, 603007), (323, 532065), (395, 435081), (449, 382755), (969, 177355), (1185, 145027), (1343, 127965), (1347, 127585), (1501, 114495), (1615, 106413), (2245, 76551), (4029, 42655), (4503, 38165), (4845, 35471), (6715, 25593), (6735, 25517), (7505, 22899), (7633, 22515), (8531, 20145)]