28415835

素因数分解:

$3^2\times 5^1\times 7^4\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 60

約数和(自身を含む): 57678192

約数和(自身を除く): 29262357

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 263, 315, 343, 441, 735, 789, 1029, 1315, 1715, 1841, 2205, 2367, 2401, 3087, 3945, 5145, 5523, 7203, 9205, 11835, 12005, 12887, 15435, 16569, 21609, 27615, 36015, 38661, 64435, 82845, 90209, 108045, 115983, 193305, 270627, 451045, 579915, 631463, 811881, 1353135, 1894389, 3157315, 4059405, 5683167, 9471945, 28415835]

約数ペア:

[(1, 28415835), (3, 9471945), (5, 5683167), (7, 4059405), (9, 3157315), (15, 1894389), (21, 1353135), (35, 811881), (45, 631463), (49, 579915), (63, 451045), (105, 270627), (147, 193305), (245, 115983), (263, 108045), (315, 90209), (343, 82845), (441, 64435), (735, 38661), (789, 36015), (1029, 27615), (1315, 21609), (1715, 16569), (1841, 15435), (2205, 12887), (2367, 12005), (2401, 11835), (3087, 9205), (3945, 7203), (5145, 5523)]