201911385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{54497}}^1$

素因数の和:54537

約数の個数: 32

約数和(自身を含む): 366226560

約数和(自身を除く): 164315175

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 54497, 163491, 272485, 708461, 817455, 1035443, 2125383, 3106329, 3542305, 5177215, 10626915, 13460759, 15531645, 40382277, 67303795, 201911385]

約数ペア:

[(1, 201911385), (3, 67303795), (5, 40382277), (13, 15531645), (15, 13460759), (19, 10626915), (39, 5177215), (57, 3542305), (65, 3106329), (95, 2125383), (195, 1035443), (247, 817455), (285, 708461), (741, 272485), (1235, 163491), (3705, 54497)]