820736163

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 1387432800

約数和(自身を除く): 566696637

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 169, 207, 261, 299, 377, 507, 667, 809, 897, 1131, 1521, 2001, 2427, 2691, 3393, 3887, 4901, 6003, 7281, 8671, 10517, 11661, 14703, 18607, 23461, 26013, 31551, 34983, 44109, 55821, 70383, 78039, 94653, 112723, 136721, 167463, 211149, 241891, 304993, 338169, 410163, 539603, 725673, 914979, 1014507, 1230489, 1618809, 2177019, 2744937, 3144583, 3964909, 4856427, 7014839, 9433749, 11894727, 21044517, 28301247, 35684181, 63133551, 91192907, 273578721, 820736163]

約数ペア:

[(1, 820736163), (3, 273578721), (9, 91192907), (13, 63133551), (23, 35684181), (29, 28301247), (39, 21044517), (69, 11894727), (87, 9433749), (117, 7014839), (169, 4856427), (207, 3964909), (261, 3144583), (299, 2744937), (377, 2177019), (507, 1618809), (667, 1230489), (809, 1014507), (897, 914979), (1131, 725673), (1521, 539603), (2001, 410163), (2427, 338169), (2691, 304993), (3393, 241891), (3887, 211149), (4901, 167463), (6003, 136721), (7281, 112723), (8671, 94653), (10517, 78039), (11661, 70383), (14703, 55821), (18607, 44109), (23461, 34983), (26013, 31551)]