15972165

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 30977856

約数和(自身を除く): 15005691

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 787, 1353, 1845, 2255, 2361, 3935, 4059, 6765, 7083, 8657, 11805, 20295, 25971, 32267, 35415, 43285, 77913, 96801, 129855, 161335, 290403, 354937, 389565, 484005, 1064811, 1452015, 1774685, 3194433, 5324055, 15972165]

約数ペア:

[(1, 15972165), (3, 5324055), (5, 3194433), (9, 1774685), (11, 1452015), (15, 1064811), (33, 484005), (41, 389565), (45, 354937), (55, 290403), (99, 161335), (123, 129855), (165, 96801), (205, 77913), (369, 43285), (451, 35415), (495, 32267), (615, 25971), (787, 20295), (1353, 11805), (1845, 8657), (2255, 7083), (2361, 6765), (3935, 4059)]