28469745

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 25651215

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 53, 69, 115, 135, 159, 173, 207, 265, 345, 477, 519, 621, 795, 865, 1035, 1219, 1431, 1557, 2385, 2595, 3105, 3657, 3979, 4671, 6095, 7155, 7785, 9169, 10971, 11937, 18285, 19895, 23355, 27507, 32913, 35811, 45845, 54855, 59685, 82521, 107433, 137535, 164565, 179055, 210887, 247563, 412605, 537165, 632661, 1054435, 1237815, 1897983, 3163305, 5693949, 9489915, 28469745]

約数ペア:

[(1, 28469745), (3, 9489915), (5, 5693949), (9, 3163305), (15, 1897983), (23, 1237815), (27, 1054435), (45, 632661), (53, 537165), (69, 412605), (115, 247563), (135, 210887), (159, 179055), (173, 164565), (207, 137535), (265, 107433), (345, 82521), (477, 59685), (519, 54855), (621, 45845), (795, 35811), (865, 32913), (1035, 27507), (1219, 23355), (1431, 19895), (1557, 18285), (2385, 11937), (2595, 10971), (3105, 9169), (3657, 7785), (3979, 7155), (4671, 6095)]