81978174

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{85931}}^1$

素因数の和:85992

約数の個数: 24

約数和(自身を含む): 180972792

約数和(自身を除く): 98994618

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 85931, 171862, 257793, 515586, 773379, 1546758, 4554343, 9108686, 13663029, 27326058, 40989087, 81978174]

約数ペア:

[(1, 81978174), (2, 40989087), (3, 27326058), (6, 13663029), (9, 9108686), (18, 4554343), (53, 1546758), (106, 773379), (159, 515586), (318, 257793), (477, 171862), (954, 85931)]