28292679

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 43581440

約数和(自身を除く): 15288761

約数列:

[1, 3, 9, 27, 37, 111, 127, 223, 333, 381, 669, 999, 1143, 2007, 3429, 4699, 6021, 8251, 14097, 24753, 28321, 42291, 74259, 84963, 126873, 222777, 254889, 764667, 1047877, 3143631, 9430893, 28292679]

約数ペア:

[(1, 28292679), (3, 9430893), (9, 3143631), (27, 1047877), (37, 764667), (111, 254889), (127, 222777), (223, 126873), (333, 84963), (381, 74259), (669, 42291), (999, 28321), (1143, 24753), (2007, 14097), (3429, 8251), (4699, 6021)]