12752721

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 20255400

約数和(自身を除く): 7502679

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 89, 183, 261, 267, 549, 783, 801, 1647, 1769, 2349, 2403, 2581, 4941, 5307, 5429, 7209, 7743, 15921, 16287, 23229, 47763, 48861, 69687, 143289, 146583, 157441, 209061, 439749, 472323, 1416969, 4250907, 12752721]

約数ペア:

[(1, 12752721), (3, 4250907), (9, 1416969), (27, 472323), (29, 439749), (61, 209061), (81, 157441), (87, 146583), (89, 143289), (183, 69687), (261, 48861), (267, 47763), (549, 23229), (783, 16287), (801, 15921), (1647, 7743), (1769, 7209), (2349, 5429), (2403, 5307), (2581, 4941)]