211318245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{16249}}^1$

素因数の和:16294

約数の個数: 36

約数和(自身を含む): 389122500

約数和(自身を除く): 177804255

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 13005, 16249, 48747, 81245, 146241, 243735, 276233, 731205, 828699, 1381165, 2486097, 4143495, 4695961, 12430485, 14087883, 23479805, 42263649, 70439415, 211318245]

約数ペア:

[(1, 211318245), (3, 70439415), (5, 42263649), (9, 23479805), (15, 14087883), (17, 12430485), (45, 4695961), (51, 4143495), (85, 2486097), (153, 1381165), (255, 828699), (289, 731205), (765, 276233), (867, 243735), (1445, 146241), (2601, 81245), (4335, 48747), (13005, 16249)]