12540285

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4889}}^1$

素因数の和:4922

約数の個数: 32

約数和(自身を含む): 23472000

約数和(自身を除く): 10931715

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 4889, 14667, 24445, 44001, 73335, 92891, 132003, 220005, 278673, 464455, 660015, 836019, 1393365, 2508057, 4180095, 12540285]

約数ペア:

[(1, 12540285), (3, 4180095), (5, 2508057), (9, 1393365), (15, 836019), (19, 660015), (27, 464455), (45, 278673), (57, 220005), (95, 132003), (135, 92891), (171, 73335), (285, 44001), (513, 24445), (855, 14667), (2565, 4889)]