81540837

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:102

約数の個数: 84

約数和(自身を含む): 152320480

約数和(自身を除く): 70779643

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 81, 87, 133, 171, 189, 203, 243, 261, 399, 513, 551, 567, 609, 729, 783, 841, 1197, 1539, 1653, 1701, 1827, 2349, 2523, 3591, 3857, 4617, 4959, 5103, 5481, 5887, 7047, 7569, 10773, 11571, 13851, 14877, 15979, 16443, 17661, 21141, 22707, 32319, 34713, 44631, 47937, 49329, 52983, 68121, 96957, 104139, 111853, 133893, 143811, 147987, 158949, 204363, 312417, 335559, 401679, 431433, 476847, 613089, 937251, 1006677, 1294299, 1430541, 2811753, 3020031, 3882897, 4291623, 9060093, 11648691, 27180279, 81540837]

約数ペア:

[(1, 81540837), (3, 27180279), (7, 11648691), (9, 9060093), (19, 4291623), (21, 3882897), (27, 3020031), (29, 2811753), (57, 1430541), (63, 1294299), (81, 1006677), (87, 937251), (133, 613089), (171, 476847), (189, 431433), (203, 401679), (243, 335559), (261, 312417), (399, 204363), (513, 158949), (551, 147987), (567, 143811), (609, 133893), (729, 111853), (783, 104139), (841, 96957), (1197, 68121), (1539, 52983), (1653, 49329), (1701, 47937), (1827, 44631), (2349, 34713), (2523, 32319), (3591, 22707), (3857, 21141), (4617, 17661), (4959, 16443), (5103, 15979), (5481, 14877), (5887, 13851), (7047, 11571), (7569, 10773)]