64973505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 110813184

約数和(自身を除く): 45839679

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 4007, 5405, 12021, 16215, 20035, 60105, 92161, 188329, 276483, 460805, 564987, 941645, 1382415, 2824935, 4331567, 12994701, 21657835, 64973505]

約数ペア:

[(1, 64973505), (3, 21657835), (5, 12994701), (15, 4331567), (23, 2824935), (47, 1382415), (69, 941645), (115, 564987), (141, 460805), (235, 276483), (345, 188329), (705, 92161), (1081, 60105), (3243, 20035), (4007, 16215), (5405, 12021)]