13818987

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 11340693

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 359, 423, 611, 819, 987, 1077, 1833, 2513, 2961, 3231, 4277, 4667, 5499, 7539, 12831, 14001, 16873, 22617, 32669, 38493, 42003, 50619, 98007, 118111, 151857, 219349, 294021, 354333, 658047, 1062999, 1535443, 1974141, 4606329, 13818987]

約数ペア:

[(1, 13818987), (3, 4606329), (7, 1974141), (9, 1535443), (13, 1062999), (21, 658047), (39, 354333), (47, 294021), (63, 219349), (91, 151857), (117, 118111), (141, 98007), (273, 50619), (329, 42003), (359, 38493), (423, 32669), (611, 22617), (819, 16873), (987, 14001), (1077, 12831), (1833, 7539), (2513, 5499), (2961, 4667), (3231, 4277)]