398631843

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{9311}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 592690176

約数和(自身を除く): 194058333

約数列:

[1, 3, 9, 67, 71, 201, 213, 603, 639, 4757, 9311, 14271, 27933, 42813, 83799, 623837, 661081, 1871511, 1983243, 5614533, 5949729, 44292427, 132877281, 398631843]

約数ペア:

[(1, 398631843), (3, 132877281), (9, 44292427), (67, 5949729), (71, 5614533), (201, 1983243), (213, 1871511), (603, 661081), (639, 623837), (4757, 83799), (9311, 42813), (14271, 27933)]