420752013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{123787}}^1$

素因数の和:123904

約数の個数: 16

約数和(自身を含む): 617949696

約数和(自身を除く): 197197683

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 123787, 371361, 1361657, 4084971, 12750061, 38250183, 140250671, 420752013]

約数ペア:

[(1, 420752013), (3, 140250671), (11, 38250183), (33, 12750061), (103, 4084971), (309, 1361657), (1133, 371361), (3399, 123787)]