85871457

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43969}}^1$

素因数の和:44013

約数の個数: 24

約数和(自身を含む): 146332160

約数和(自身を除く): 60460703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 43969, 131907, 307783, 395721, 923349, 1363039, 2770047, 4089117, 9541273, 12267351, 28623819, 85871457]

約数ペア:

[(1, 85871457), (3, 28623819), (7, 12267351), (9, 9541273), (21, 4089117), (31, 2770047), (63, 1363039), (93, 923349), (217, 395721), (279, 307783), (651, 131907), (1953, 43969)]