8100225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 17151680

約数和(自身を除く): 9051455

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 139, 175, 185, 225, 259, 315, 333, 417, 525, 555, 695, 777, 925, 973, 1251, 1295, 1575, 1665, 2085, 2331, 2775, 2919, 3475, 3885, 4865, 5143, 6255, 6475, 8325, 8757, 10425, 11655, 14595, 15429, 19425, 24325, 25715, 31275, 36001, 43785, 46287, 58275, 72975, 77145, 108003, 128575, 180005, 218925, 231435, 324009, 385725, 540015, 900025, 1157175, 1620045, 2700075, 8100225]

約数ペア:

[(1, 8100225), (3, 2700075), (5, 1620045), (7, 1157175), (9, 900025), (15, 540015), (21, 385725), (25, 324009), (35, 231435), (37, 218925), (45, 180005), (63, 128575), (75, 108003), (105, 77145), (111, 72975), (139, 58275), (175, 46287), (185, 43785), (225, 36001), (259, 31275), (315, 25715), (333, 24325), (417, 19425), (525, 15429), (555, 14595), (695, 11655), (777, 10425), (925, 8757), (973, 8325), (1251, 6475), (1295, 6255), (1575, 5143), (1665, 4865), (2085, 3885), (2331, 3475), (2775, 2919)]