12980835

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{29}}^2$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 27175200

約数和(自身を除く): 14194365

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 343, 435, 441, 609, 735, 841, 1015, 1029, 1305, 1421, 1715, 1827, 2205, 2523, 3045, 3087, 4205, 4263, 5145, 5887, 7105, 7569, 9135, 9947, 12615, 12789, 15435, 17661, 21315, 29435, 29841, 37845, 41209, 49735, 52983, 63945, 88305, 89523, 123627, 149205, 206045, 264915, 288463, 370881, 447615, 618135, 865389, 1442315, 1854405, 2596167, 4326945, 12980835]

約数ペア:

[(1, 12980835), (3, 4326945), (5, 2596167), (7, 1854405), (9, 1442315), (15, 865389), (21, 618135), (29, 447615), (35, 370881), (45, 288463), (49, 264915), (63, 206045), (87, 149205), (105, 123627), (145, 89523), (147, 88305), (203, 63945), (245, 52983), (261, 49735), (315, 41209), (343, 37845), (435, 29841), (441, 29435), (609, 21315), (735, 17661), (841, 15435), (1015, 12789), (1029, 12615), (1305, 9947), (1421, 9135), (1715, 7569), (1827, 7105), (2205, 5887), (2523, 5145), (3045, 4263), (3087, 4205)]