28666305

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1967

約数の個数: 40

約数和(自身を含む): 52803432

約数和(自身を除く): 24137127

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 1913, 2997, 4995, 5739, 9565, 14985, 17217, 28695, 51651, 70781, 86085, 154953, 212343, 258255, 353905, 637029, 774765, 1061715, 1911087, 3185145, 5733261, 9555435, 28666305]

約数ペア:

[(1, 28666305), (3, 9555435), (5, 5733261), (9, 3185145), (15, 1911087), (27, 1061715), (37, 774765), (45, 637029), (81, 353905), (111, 258255), (135, 212343), (185, 154953), (333, 86085), (405, 70781), (555, 51651), (999, 28695), (1665, 17217), (1913, 14985), (2997, 9565), (4995, 5739)]