79921305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 143485056

約数和(自身を除く): 63563751

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 129, 215, 309, 387, 401, 515, 645, 927, 1203, 1545, 1935, 2005, 3609, 4429, 4635, 6015, 13287, 17243, 18045, 22145, 39861, 41303, 51729, 66435, 86215, 123909, 155187, 199305, 206515, 258645, 371727, 619545, 775935, 1776029, 1858635, 5328087, 8880145, 15984261, 26640435, 79921305]

約数ペア:

[(1, 79921305), (3, 26640435), (5, 15984261), (9, 8880145), (15, 5328087), (43, 1858635), (45, 1776029), (103, 775935), (129, 619545), (215, 371727), (309, 258645), (387, 206515), (401, 199305), (515, 155187), (645, 123909), (927, 86215), (1203, 66435), (1545, 51729), (1935, 41303), (2005, 39861), (3609, 22145), (4429, 18045), (4635, 17243), (6015, 13287)]