80809515

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20641}}^1$

素因数の和:20684

約数の個数: 32

約数和(自身を含む): 148622400

約数和(自身を除く): 67812885

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 20641, 61923, 103205, 185769, 309615, 557307, 598589, 928845, 1795767, 2786535, 2992945, 5387301, 8978835, 16161903, 26936505, 80809515]

約数ペア:

[(1, 80809515), (3, 26936505), (5, 16161903), (9, 8978835), (15, 5387301), (27, 2992945), (29, 2786535), (45, 1795767), (87, 928845), (135, 598589), (145, 557307), (261, 309615), (435, 185769), (783, 103205), (1305, 61923), (3915, 20641)]