81778518

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 190713600

約数和(自身を除く): 108935082

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 43, 54, 82, 86, 123, 129, 246, 258, 369, 387, 738, 774, 859, 1107, 1161, 1718, 1763, 2214, 2322, 2577, 3526, 5154, 5289, 7731, 10578, 15462, 15867, 23193, 31734, 35219, 36937, 46386, 47601, 70438, 73874, 95202, 105657, 110811, 211314, 221622, 316971, 332433, 633942, 664866, 950913, 997299, 1514417, 1901826, 1994598, 3028834, 4543251, 9086502, 13629753, 27259506, 40889259, 81778518]

約数ペア:

[(1, 81778518), (2, 40889259), (3, 27259506), (6, 13629753), (9, 9086502), (18, 4543251), (27, 3028834), (41, 1994598), (43, 1901826), (54, 1514417), (82, 997299), (86, 950913), (123, 664866), (129, 633942), (246, 332433), (258, 316971), (369, 221622), (387, 211314), (738, 110811), (774, 105657), (859, 95202), (1107, 73874), (1161, 70438), (1718, 47601), (1763, 46386), (2214, 36937), (2322, 35219), (2577, 31734), (3526, 23193), (5154, 15867), (5289, 15462), (7731, 10578)]