26880633

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 44447040

約数和(自身を除く): 17566407

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 137, 169, 351, 387, 411, 507, 559, 1161, 1233, 1521, 1677, 1781, 3699, 4563, 5031, 5343, 5891, 7267, 15093, 16029, 17673, 21801, 23153, 48087, 53019, 65403, 69459, 76583, 159057, 196209, 208377, 229749, 625131, 689247, 995579, 2067741, 2986737, 8960211, 26880633]

約数ペア:

[(1, 26880633), (3, 8960211), (9, 2986737), (13, 2067741), (27, 995579), (39, 689247), (43, 625131), (117, 229749), (129, 208377), (137, 196209), (169, 159057), (351, 76583), (387, 69459), (411, 65403), (507, 53019), (559, 48087), (1161, 23153), (1233, 21801), (1521, 17673), (1677, 16029), (1781, 15093), (3699, 7267), (4563, 5891), (5031, 5343)]