215839215

素因数分解:

$3^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1721}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 384350400

約数和(自身を除く): 168511185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 929, 1721, 2787, 4645, 5163, 8361, 8605, 13935, 15489, 25083, 25815, 41805, 46467, 77445, 125415, 232335, 1598809, 4796427, 7994045, 14389281, 23982135, 43167843, 71946405, 215839215]

約数ペア:

[(1, 215839215), (3, 71946405), (5, 43167843), (9, 23982135), (15, 14389281), (27, 7994045), (45, 4796427), (135, 1598809), (929, 232335), (1721, 125415), (2787, 77445), (4645, 46467), (5163, 41805), (8361, 25815), (8605, 25083), (13935, 15489)]