16120215

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 29481408

約数和(自身を除く): 13361193

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 751, 795, 1431, 2253, 2385, 3755, 4293, 6759, 7155, 11265, 20277, 21465, 33795, 39803, 60831, 101385, 119409, 199015, 304155, 358227, 597045, 1074681, 1791135, 3224043, 5373405, 16120215]

約数ペア:

[(1, 16120215), (3, 5373405), (5, 3224043), (9, 1791135), (15, 1074681), (27, 597045), (45, 358227), (53, 304155), (81, 199015), (135, 119409), (159, 101385), (265, 60831), (405, 39803), (477, 33795), (751, 21465), (795, 20277), (1431, 11265), (2253, 7155), (2385, 6759), (3755, 4293)]