208399107

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 346459680

約数和(自身を除く): 138060573

約数列:

[1, 3, 7, 17, 21, 49, 51, 89, 119, 147, 267, 357, 623, 833, 937, 1513, 1869, 2499, 2811, 4361, 4539, 6559, 10591, 13083, 15929, 19677, 31773, 45913, 47787, 74137, 83393, 111503, 137739, 222411, 250179, 334509, 583751, 780521, 1417681, 1751253, 2341563, 4086257, 4253043, 9923767, 12258771, 29771301, 69466369, 208399107]

約数ペア:

[(1, 208399107), (3, 69466369), (7, 29771301), (17, 12258771), (21, 9923767), (49, 4253043), (51, 4086257), (89, 2341563), (119, 1751253), (147, 1417681), (267, 780521), (357, 583751), (623, 334509), (833, 250179), (937, 222411), (1513, 137739), (1869, 111503), (2499, 83393), (2811, 74137), (4361, 47787), (4539, 45913), (6559, 31773), (10591, 19677), (13083, 15929)]