131649441

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 228919296

約数和(自身を除く): 97269855

約数列:

[1, 3, 7, 11, 21, 33, 37, 73, 77, 111, 211, 219, 231, 259, 407, 511, 633, 777, 803, 1221, 1477, 1533, 2321, 2409, 2701, 2849, 4431, 5621, 6963, 7807, 8103, 8547, 15403, 16247, 16863, 18907, 23421, 29711, 46209, 48741, 54649, 56721, 85877, 89133, 107821, 163947, 169433, 207977, 257631, 323463, 508299, 569911, 601139, 623931, 1186031, 1709733, 1803417, 3558093, 3989377, 6269021, 11968131, 18807063, 43883147, 131649441]

約数ペア:

[(1, 131649441), (3, 43883147), (7, 18807063), (11, 11968131), (21, 6269021), (33, 3989377), (37, 3558093), (73, 1803417), (77, 1709733), (111, 1186031), (211, 623931), (219, 601139), (231, 569911), (259, 508299), (407, 323463), (511, 257631), (633, 207977), (777, 169433), (803, 163947), (1221, 107821), (1477, 89133), (1533, 85877), (2321, 56721), (2409, 54649), (2701, 48741), (2849, 46209), (4431, 29711), (5621, 23421), (6963, 18907), (7807, 16863), (8103, 16247), (8547, 15403)]