28319499

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 36

約数和(自身を含む): 45429384

約数和(自身を除く): 17109885

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 433, 507, 559, 1299, 1521, 1677, 3897, 5031, 5629, 7267, 16887, 18619, 21801, 50661, 55857, 65403, 73177, 167571, 219531, 242047, 658593, 726141, 2178423, 3146611, 9439833, 28319499]

約数ペア:

[(1, 28319499), (3, 9439833), (9, 3146611), (13, 2178423), (39, 726141), (43, 658593), (117, 242047), (129, 219531), (169, 167571), (387, 73177), (433, 65403), (507, 55857), (559, 50661), (1299, 21801), (1521, 18619), (1677, 16887), (3897, 7267), (5031, 5629)]