31321017

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 24938823

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 167, 229, 273, 501, 687, 819, 1169, 1503, 1603, 2061, 2171, 2977, 3507, 4809, 6513, 8931, 10521, 14427, 15197, 19539, 20839, 26793, 38243, 45591, 62517, 114729, 136773, 187551, 267701, 344187, 497159, 803103, 1491477, 2409309, 3480113, 4474431, 10440339, 31321017]

約数ペア:

[(1, 31321017), (3, 10440339), (7, 4474431), (9, 3480113), (13, 2409309), (21, 1491477), (39, 803103), (63, 497159), (91, 344187), (117, 267701), (167, 187551), (229, 136773), (273, 114729), (501, 62517), (687, 45591), (819, 38243), (1169, 26793), (1503, 20839), (1603, 19539), (2061, 15197), (2171, 14427), (2977, 10521), (3507, 8931), (4809, 6513)]