211340445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 368492544

約数和(自身を除く): 157152099

約数列:

[1, 3, 5, 15, 23, 41, 67, 69, 115, 123, 201, 205, 223, 335, 345, 615, 669, 943, 1005, 1115, 1541, 2747, 2829, 3345, 4623, 4715, 5129, 7705, 8241, 9143, 13735, 14145, 14941, 15387, 23115, 25645, 27429, 41205, 44823, 45715, 63181, 74705, 76935, 137145, 189543, 210289, 224115, 315905, 343643, 612581, 630867, 947715, 1030929, 1051445, 1718215, 1837743, 3062905, 3154335, 5154645, 9188715, 14089363, 42268089, 70446815, 211340445]

約数ペア:

[(1, 211340445), (3, 70446815), (5, 42268089), (15, 14089363), (23, 9188715), (41, 5154645), (67, 3154335), (69, 3062905), (115, 1837743), (123, 1718215), (201, 1051445), (205, 1030929), (223, 947715), (335, 630867), (345, 612581), (615, 343643), (669, 315905), (943, 224115), (1005, 210289), (1115, 189543), (1541, 137145), (2747, 76935), (2829, 74705), (3345, 63181), (4623, 45715), (4715, 44823), (5129, 41205), (7705, 27429), (8241, 25645), (9143, 23115), (13735, 15387), (14145, 14941)]