20151471207

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{113173}}^1$

素因数の和:113383

約数の個数: 32

約数和(自身を含む): 31435210240

約数和(自身を除く): 11283739033

約数列:

[1, 3, 7, 21, 61, 139, 183, 417, 427, 973, 1281, 2919, 8479, 25437, 59353, 113173, 178059, 339519, 792211, 2376633, 6903553, 15731047, 20710659, 47193141, 48324871, 110117329, 144974613, 330351987, 959593867, 2878781601, 6717157069, 20151471207]

約数ペア:

[(1, 20151471207), (3, 6717157069), (7, 2878781601), (21, 959593867), (61, 330351987), (139, 144974613), (183, 110117329), (417, 48324871), (427, 47193141), (973, 20710659), (1281, 15731047), (2919, 6903553), (8479, 2376633), (25437, 792211), (59353, 339519), (113173, 178059)]