320400003

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 571318272

約数和(自身を除く): 250918269

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 83, 119, 187, 231, 249, 357, 561, 581, 913, 983, 1309, 1411, 1743, 2739, 2949, 3927, 4233, 6391, 6881, 9877, 10813, 15521, 16711, 19173, 20643, 29631, 32439, 46563, 50133, 75691, 81589, 108647, 116977, 183821, 227073, 244767, 325941, 350931, 551463, 571123, 897479, 1286747, 1387013, 1713369, 2692437, 3860241, 4161039, 6282353, 9709091, 15257143, 18847059, 29127273, 45771429, 106800001, 320400003]

約数ペア:

[(1, 320400003), (3, 106800001), (7, 45771429), (11, 29127273), (17, 18847059), (21, 15257143), (33, 9709091), (51, 6282353), (77, 4161039), (83, 3860241), (119, 2692437), (187, 1713369), (231, 1387013), (249, 1286747), (357, 897479), (561, 571123), (581, 551463), (913, 350931), (983, 325941), (1309, 244767), (1411, 227073), (1743, 183821), (2739, 116977), (2949, 108647), (3927, 81589), (4233, 75691), (6391, 50133), (6881, 46563), (9877, 32439), (10813, 29631), (15521, 20643), (16711, 19173)]