127489131

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 239763888

約数和(自身を除く): 112274757

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 123, 147, 231, 287, 369, 441, 451, 539, 641, 693, 861, 1353, 1617, 1923, 2009, 2583, 3157, 4059, 4487, 4851, 5769, 6027, 7051, 9471, 13461, 18081, 21153, 22099, 26281, 28413, 31409, 40383, 49357, 63459, 66297, 78843, 94227, 148071, 183967, 198891, 236529, 282681, 289091, 345499, 444213, 551901, 867273, 1036497, 1287769, 1655703, 2023637, 2601819, 3109491, 3863307, 6070911, 11589921, 14165459, 18212733, 42496377, 127489131]

約数ペア:

[(1, 127489131), (3, 42496377), (7, 18212733), (9, 14165459), (11, 11589921), (21, 6070911), (33, 3863307), (41, 3109491), (49, 2601819), (63, 2023637), (77, 1655703), (99, 1287769), (123, 1036497), (147, 867273), (231, 551901), (287, 444213), (369, 345499), (441, 289091), (451, 282681), (539, 236529), (641, 198891), (693, 183967), (861, 148071), (1353, 94227), (1617, 78843), (1923, 66297), (2009, 63459), (2583, 49357), (3157, 40383), (4059, 31409), (4487, 28413), (4851, 26281), (5769, 22099), (6027, 21153), (7051, 18081), (9471, 13461)]