163555215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 287794080

約数和(自身を除く): 124238865

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 289, 435, 493, 867, 1301, 1445, 1479, 2465, 3903, 4335, 6505, 7395, 8381, 19515, 22117, 25143, 37729, 41905, 66351, 110585, 113187, 125715, 188645, 331755, 375989, 565935, 641393, 1127967, 1879945, 1924179, 3206965, 5639835, 9620895, 10903681, 32711043, 54518405, 163555215]

約数ペア:

[(1, 163555215), (3, 54518405), (5, 32711043), (15, 10903681), (17, 9620895), (29, 5639835), (51, 3206965), (85, 1924179), (87, 1879945), (145, 1127967), (255, 641393), (289, 565935), (435, 375989), (493, 331755), (867, 188645), (1301, 125715), (1445, 113187), (1479, 110585), (2465, 66351), (3903, 41905), (4335, 37729), (6505, 25143), (7395, 22117), (8381, 19515)]