31938291

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 60922368

約数和(自身を除く): 28984077

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 2711, 3927, 8133, 11781, 18977, 24399, 29821, 46087, 56931, 89463, 138261, 170793, 208747, 268389, 322609, 414783, 506957, 626241, 967827, 1520871, 1878723, 2903481, 3548699, 4562613, 10646097, 31938291]

約数ペア:

[(1, 31938291), (3, 10646097), (7, 4562613), (9, 3548699), (11, 2903481), (17, 1878723), (21, 1520871), (33, 967827), (51, 626241), (63, 506957), (77, 414783), (99, 322609), (119, 268389), (153, 208747), (187, 170793), (231, 138261), (357, 89463), (561, 56931), (693, 46087), (1071, 29821), (1309, 24399), (1683, 18977), (2711, 11781), (3927, 8133)]