42712515

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 40

約数和(自身を含む): 77048928

約数和(自身を除く): 34336413

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 401, 405, 789, 1203, 1315, 2005, 2367, 3609, 3945, 6015, 7101, 10827, 11835, 18045, 21303, 32481, 35505, 54135, 105463, 106515, 162405, 316389, 527315, 949167, 1581945, 2847501, 4745835, 8542503, 14237505, 42712515]

約数ペア:

[(1, 42712515), (3, 14237505), (5, 8542503), (9, 4745835), (15, 2847501), (27, 1581945), (45, 949167), (81, 527315), (135, 316389), (263, 162405), (401, 106515), (405, 105463), (789, 54135), (1203, 35505), (1315, 32481), (2005, 21303), (2367, 18045), (3609, 11835), (3945, 10827), (6015, 7101)]