28697277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 18027843

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1013, 1349, 1491, 3039, 4047, 7091, 9443, 19247, 21273, 28329, 57741, 71923, 134729, 215769, 404187, 503461, 1366537, 1510383, 4099611, 9565759, 28697277]

約数ペア:

[(1, 28697277), (3, 9565759), (7, 4099611), (19, 1510383), (21, 1366537), (57, 503461), (71, 404187), (133, 215769), (213, 134729), (399, 71923), (497, 57741), (1013, 28329), (1349, 21273), (1491, 19247), (3039, 9443), (4047, 7091)]