28796565

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 55872000

約数和(自身を除く): 27075435

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 193, 203, 245, 343, 435, 579, 609, 735, 965, 1015, 1029, 1351, 1421, 1715, 2895, 3045, 4053, 4263, 5145, 5597, 6755, 7105, 9457, 9947, 16791, 20265, 21315, 27985, 28371, 29841, 39179, 47285, 49735, 66199, 83955, 117537, 141855, 149205, 195895, 198597, 274253, 330995, 587685, 822759, 992985, 1371265, 1919771, 4113795, 5759313, 9598855, 28796565]

約数ペア:

[(1, 28796565), (3, 9598855), (5, 5759313), (7, 4113795), (15, 1919771), (21, 1371265), (29, 992985), (35, 822759), (49, 587685), (87, 330995), (105, 274253), (145, 198597), (147, 195895), (193, 149205), (203, 141855), (245, 117537), (343, 83955), (435, 66199), (579, 49735), (609, 47285), (735, 39179), (965, 29841), (1015, 28371), (1029, 27985), (1351, 21315), (1421, 20265), (1715, 16791), (2895, 9947), (3045, 9457), (4053, 7105), (4263, 6755), (5145, 5597)]