31573269

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 59113600

約数和(自身を除く): 27540331

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2029, 2223, 5187, 6087, 14203, 15561, 18261, 26377, 38551, 42609, 79131, 115653, 127827, 184639, 237393, 269857, 346959, 501163, 553917, 809571, 1503489, 1661751, 2428713, 3508141, 4510467, 10524423, 31573269]

約数ペア:

[(1, 31573269), (3, 10524423), (7, 4510467), (9, 3508141), (13, 2428713), (19, 1661751), (21, 1503489), (39, 809571), (57, 553917), (63, 501163), (91, 346959), (117, 269857), (133, 237393), (171, 184639), (247, 127827), (273, 115653), (399, 79131), (741, 42609), (819, 38551), (1197, 26377), (1729, 18261), (2029, 15561), (2223, 14203), (5187, 6087)]