205116597

素因数分解:

$3^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 355734720

約数和(自身を除く): 150618123

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 197, 441, 591, 787, 1323, 1379, 1773, 2361, 4137, 5319, 5509, 7083, 9653, 12411, 16527, 21249, 28959, 37233, 38563, 49581, 86877, 115689, 148743, 155039, 260631, 347067, 465117, 1041201, 1085273, 1395351, 3255819, 4186053, 7596911, 9767457, 22790733, 29302371, 68372199, 205116597]

約数ペア:

[(1, 205116597), (3, 68372199), (7, 29302371), (9, 22790733), (21, 9767457), (27, 7596911), (49, 4186053), (63, 3255819), (147, 1395351), (189, 1085273), (197, 1041201), (441, 465117), (591, 347067), (787, 260631), (1323, 155039), (1379, 148743), (1773, 115689), (2361, 86877), (4137, 49581), (5319, 38563), (5509, 37233), (7083, 28959), (9653, 21249), (12411, 16527)]