27228565

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 14599403

約数列:

[1, 5, 7, 13, 35, 49, 65, 83, 91, 103, 245, 415, 455, 515, 581, 637, 721, 1079, 1339, 2905, 3185, 3605, 4067, 5047, 5395, 6695, 7553, 8549, 9373, 20335, 25235, 37765, 42745, 46865, 52871, 59843, 65611, 111137, 264355, 299215, 328055, 418901, 555685, 777959, 2094505, 3889795, 5445713, 27228565]

約数ペア:

[(1, 27228565), (5, 5445713), (7, 3889795), (13, 2094505), (35, 777959), (49, 555685), (65, 418901), (83, 328055), (91, 299215), (103, 264355), (245, 111137), (415, 65611), (455, 59843), (515, 52871), (581, 46865), (637, 42745), (721, 37765), (1079, 25235), (1339, 20335), (2905, 9373), (3185, 8549), (3605, 7553), (4067, 6695), (5047, 5395)]