56279691

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 99607200

約数和(自身を除く): 43327509

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 81, 87, 97, 117, 171, 247, 261, 291, 351, 377, 513, 551, 741, 783, 873, 1053, 1131, 1261, 1539, 1653, 1843, 2223, 2349, 2619, 2813, 3393, 3783, 4959, 5529, 6669, 7163, 7857, 8439, 10179, 11349, 14877, 16587, 20007, 21489, 23959, 25317, 30537, 34047, 36569, 44631, 49761, 53447, 64467, 71877, 75951, 102141, 109707, 149283, 160341, 193401, 215631, 227853, 329121, 481023, 580203, 646893, 694811, 987363, 1443069, 1940679, 2084433, 2962089, 4329207, 6253299, 18759897, 56279691]

約数ペア:

[(1, 56279691), (3, 18759897), (9, 6253299), (13, 4329207), (19, 2962089), (27, 2084433), (29, 1940679), (39, 1443069), (57, 987363), (81, 694811), (87, 646893), (97, 580203), (117, 481023), (171, 329121), (247, 227853), (261, 215631), (291, 193401), (351, 160341), (377, 149283), (513, 109707), (551, 102141), (741, 75951), (783, 71877), (873, 64467), (1053, 53447), (1131, 49761), (1261, 44631), (1539, 36569), (1653, 34047), (1843, 30537), (2223, 25317), (2349, 23959), (2619, 21489), (2813, 20007), (3393, 16587), (3783, 14877), (4959, 11349), (5529, 10179), (6669, 8439), (7163, 7857)]