81522987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4457}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 135808512

約数和(自身を除く): 54285525

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 4457, 6097, 13371, 18291, 31199, 57941, 93597, 173823, 298619, 405587, 895857, 1216761, 2090333, 3882047, 6270999, 11646141, 27174329, 81522987]

約数ペア:

[(1, 81522987), (3, 27174329), (7, 11646141), (13, 6270999), (21, 3882047), (39, 2090333), (67, 1216761), (91, 895857), (201, 405587), (273, 298619), (469, 173823), (871, 93597), (1407, 57941), (2613, 31199), (4457, 18291), (6097, 13371)]