178496721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 292795776

約数和(自身を除く): 114299055

約数列:

[1, 3, 9, 13, 23, 39, 69, 113, 117, 207, 299, 339, 587, 897, 1017, 1469, 1761, 2599, 2691, 4407, 5283, 7631, 7797, 13221, 13501, 22893, 23391, 33787, 40503, 66331, 68679, 101361, 121509, 175513, 198993, 304083, 526539, 596979, 862303, 1525613, 1579617, 2586909, 4576839, 7760727, 13730517, 19832969, 59498907, 178496721]

約数ペア:

[(1, 178496721), (3, 59498907), (9, 19832969), (13, 13730517), (23, 7760727), (39, 4576839), (69, 2586909), (113, 1579617), (117, 1525613), (207, 862303), (299, 596979), (339, 526539), (587, 304083), (897, 198993), (1017, 175513), (1469, 121509), (1761, 101361), (2599, 68679), (2691, 66331), (4407, 40503), (5283, 33787), (7631, 23391), (7797, 22893), (13221, 13501)]