81680274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20533}}^1$

素因数の和:20571

約数の個数: 48

約数和(自身を含む): 201808152

約数和(自身を除く): 120127878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20533, 41066, 61599, 123198, 184797, 266929, 349061, 369594, 533858, 698122, 800787, 1047183, 1601574, 2094366, 2402361, 3141549, 4537793, 4804722, 6283098, 9075586, 13613379, 27226758, 40840137, 81680274]

約数ペア:

[(1, 81680274), (2, 40840137), (3, 27226758), (6, 13613379), (9, 9075586), (13, 6283098), (17, 4804722), (18, 4537793), (26, 3141549), (34, 2402361), (39, 2094366), (51, 1601574), (78, 1047183), (102, 800787), (117, 698122), (153, 533858), (221, 369594), (234, 349061), (306, 266929), (442, 184797), (663, 123198), (1326, 61599), (1989, 41066), (3978, 20533)]