28669635

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 52000416

約数和(自身を除く): 23330781

約数列:

[1, 3, 5, 9, 15, 37, 45, 67, 111, 185, 201, 257, 333, 335, 555, 603, 771, 1005, 1285, 1665, 2313, 2479, 3015, 3855, 7437, 9509, 11565, 12395, 17219, 22311, 28527, 37185, 47545, 51657, 85581, 86095, 111555, 142635, 154971, 258285, 427905, 637103, 774855, 1911309, 3185515, 5733927, 9556545, 28669635]

約数ペア:

[(1, 28669635), (3, 9556545), (5, 5733927), (9, 3185515), (15, 1911309), (37, 774855), (45, 637103), (67, 427905), (111, 258285), (185, 154971), (201, 142635), (257, 111555), (333, 86095), (335, 85581), (555, 51657), (603, 47545), (771, 37185), (1005, 28527), (1285, 22311), (1665, 17219), (2313, 12395), (2479, 11565), (3015, 9509), (3855, 7437)]