28356003

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 45029712

約数和(自身を除く): 16673709

約数列:

[1, 3, 9, 13, 39, 103, 117, 169, 181, 309, 507, 543, 927, 1339, 1521, 1629, 2353, 4017, 7059, 12051, 17407, 18643, 21177, 30589, 52221, 55929, 91767, 156663, 167787, 242359, 275301, 727077, 2181231, 3150667, 9452001, 28356003]

約数ペア:

[(1, 28356003), (3, 9452001), (9, 3150667), (13, 2181231), (39, 727077), (103, 275301), (117, 242359), (169, 167787), (181, 156663), (309, 91767), (507, 55929), (543, 52221), (927, 30589), (1339, 21177), (1521, 18643), (1629, 17407), (2353, 12051), (4017, 7059)]