40091355

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 56

約数和(自身を含む): 76492512

約数和(自身を除く): 36401157

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 647, 729, 765, 1215, 1377, 1941, 2295, 3235, 3645, 4131, 5823, 6885, 9705, 10999, 12393, 17469, 20655, 29115, 32997, 52407, 54995, 61965, 87345, 98991, 157221, 164985, 262035, 296973, 471663, 494955, 786105, 890919, 1484865, 2358315, 2672757, 4454595, 8018271, 13363785, 40091355]

約数ペア:

[(1, 40091355), (3, 13363785), (5, 8018271), (9, 4454595), (15, 2672757), (17, 2358315), (27, 1484865), (45, 890919), (51, 786105), (81, 494955), (85, 471663), (135, 296973), (153, 262035), (243, 164985), (255, 157221), (405, 98991), (459, 87345), (647, 61965), (729, 54995), (765, 52407), (1215, 32997), (1377, 29115), (1941, 20655), (2295, 17469), (3235, 12393), (3645, 10999), (4131, 9705), (5823, 6885)]