729128463

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{8819}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 1156055040

約数和(自身を除く): 426926577

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 381, 651, 889, 2667, 3937, 8819, 11811, 26457, 27559, 61733, 82677, 185199, 273389, 820167, 1120013, 1913723, 3360039, 5741169, 7840091, 23520273, 34720403, 104161209, 243042821, 729128463]

約数ペア:

[(1, 729128463), (3, 243042821), (7, 104161209), (21, 34720403), (31, 23520273), (93, 7840091), (127, 5741169), (217, 3360039), (381, 1913723), (651, 1120013), (889, 820167), (2667, 273389), (3937, 185199), (8819, 82677), (11811, 61733), (26457, 27559)]