13890075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 24224640

約数和(自身を除く): 10334565

約数列:

[1, 3, 5, 15, 25, 43, 59, 73, 75, 129, 177, 215, 219, 295, 365, 645, 885, 1075, 1095, 1475, 1825, 2537, 3139, 3225, 4307, 4425, 5475, 7611, 9417, 12685, 12921, 15695, 21535, 38055, 47085, 63425, 64605, 78475, 107675, 185201, 190275, 235425, 323025, 555603, 926005, 2778015, 4630025, 13890075]

約数ペア:

[(1, 13890075), (3, 4630025), (5, 2778015), (15, 926005), (25, 555603), (43, 323025), (59, 235425), (73, 190275), (75, 185201), (129, 107675), (177, 78475), (215, 64605), (219, 63425), (295, 47085), (365, 38055), (645, 21535), (885, 15695), (1075, 12921), (1095, 12685), (1475, 9417), (1825, 7611), (2537, 5475), (3139, 4425), (3225, 4307)]