81744645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{757}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 137094912

約数和(自身を除く): 55350267

約数列:

[1, 3, 5, 15, 23, 69, 115, 313, 345, 757, 939, 1565, 2271, 3785, 4695, 7199, 11355, 17411, 21597, 35995, 52233, 87055, 107985, 236941, 261165, 710823, 1184705, 3554115, 5449643, 16348929, 27248215, 81744645]

約数ペア:

[(1, 81744645), (3, 27248215), (5, 16348929), (15, 5449643), (23, 3554115), (69, 1184705), (115, 710823), (313, 261165), (345, 236941), (757, 107985), (939, 87055), (1565, 52233), (2271, 35995), (3785, 21597), (4695, 17411), (7199, 11355)]