28034445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 49512960

約数和(自身を除く): 21478515

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 223, 255, 289, 435, 493, 669, 867, 1115, 1445, 1479, 2465, 3345, 3791, 4335, 6467, 7395, 8381, 11373, 18955, 19401, 25143, 32335, 41905, 56865, 64447, 97005, 109939, 125715, 193341, 322235, 329817, 549695, 966705, 1649085, 1868963, 5606889, 9344815, 28034445]

約数ペア:

[(1, 28034445), (3, 9344815), (5, 5606889), (15, 1868963), (17, 1649085), (29, 966705), (51, 549695), (85, 329817), (87, 322235), (145, 193341), (223, 125715), (255, 109939), (289, 97005), (435, 64447), (493, 56865), (669, 41905), (867, 32335), (1115, 25143), (1445, 19401), (1479, 18955), (2465, 11373), (3345, 8381), (3791, 7395), (4335, 6467)]