81814518

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 184384512

約数和(自身を除く): 102569994

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 151, 186, 279, 302, 453, 558, 906, 971, 1359, 1942, 2718, 2913, 4681, 5826, 8739, 9362, 14043, 17478, 28086, 30101, 42129, 60202, 84258, 90303, 146621, 180606, 270909, 293242, 439863, 541818, 879726, 1319589, 2639178, 4545251, 9090502, 13635753, 27271506, 40907259, 81814518]

約数ペア:

[(1, 81814518), (2, 40907259), (3, 27271506), (6, 13635753), (9, 9090502), (18, 4545251), (31, 2639178), (62, 1319589), (93, 879726), (151, 541818), (186, 439863), (279, 293242), (302, 270909), (453, 180606), (558, 146621), (906, 90303), (971, 84258), (1359, 60202), (1942, 42129), (2718, 30101), (2913, 28086), (4681, 17478), (5826, 14043), (8739, 9362)]