1251855

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 2456784

約数和(自身を除く): 1204929

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 281, 297, 405, 495, 843, 891, 1405, 1485, 2529, 3091, 4215, 4455, 7587, 9273, 12645, 15455, 22761, 27819, 37935, 46365, 83457, 113805, 139095, 250371, 417285, 1251855]

約数ペア:

[(1, 1251855), (3, 417285), (5, 250371), (9, 139095), (11, 113805), (15, 83457), (27, 46365), (33, 37935), (45, 27819), (55, 22761), (81, 15455), (99, 12645), (135, 9273), (165, 7587), (281, 4455), (297, 4215), (405, 3091), (495, 2529), (843, 1485), (891, 1405)]