31889109

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 51277824

約数和(自身を除く): 19388715

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 641, 721, 1923, 2163, 2369, 4487, 7107, 13461, 14743, 16583, 44229, 49749, 66023, 103201, 198069, 309603, 462161, 1386483, 1518529, 4555587, 10629703, 31889109]

約数ペア:

[(1, 31889109), (3, 10629703), (7, 4555587), (21, 1518529), (23, 1386483), (69, 462161), (103, 309603), (161, 198069), (309, 103201), (483, 66023), (641, 49749), (721, 44229), (1923, 16583), (2163, 14743), (2369, 13461), (4487, 7107)]