78838515

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{27809}}^1$

素因数の和:27833

約数の個数: 40

約数和(自身を含む): 161520480

約数和(自身を除く): 82681965

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 27809, 83427, 139045, 194663, 250281, 417135, 583989, 750843, 973315, 1251405, 1751967, 2252529, 2919945, 3754215, 5255901, 8759835, 11262645, 15767703, 26279505, 78838515]

約数ペア:

[(1, 78838515), (3, 26279505), (5, 15767703), (7, 11262645), (9, 8759835), (15, 5255901), (21, 3754215), (27, 2919945), (35, 2252529), (45, 1751967), (63, 1251405), (81, 973315), (105, 750843), (135, 583989), (189, 417135), (315, 250281), (405, 194663), (567, 139045), (945, 83427), (2835, 27809)]