84780405

素因数分解:

$3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1657}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 151209600

約数和(自身を除く): 66429195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 379, 1137, 1657, 1895, 3411, 4971, 5685, 8285, 10233, 14913, 17055, 24855, 44739, 51165, 74565, 223695, 628003, 1884009, 3140015, 5652027, 9420045, 16956081, 28260135, 84780405]

約数ペア:

[(1, 84780405), (3, 28260135), (5, 16956081), (9, 9420045), (15, 5652027), (27, 3140015), (45, 1884009), (135, 628003), (379, 223695), (1137, 74565), (1657, 51165), (1895, 44739), (3411, 24855), (4971, 17055), (5685, 14913), (8285, 10233)]