28626045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 59097600

約数和(自身を除く): 30471555

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 49, 51, 79, 85, 87, 105, 119, 145, 147, 203, 237, 245, 255, 357, 395, 435, 493, 553, 595, 609, 735, 833, 1015, 1185, 1343, 1421, 1479, 1659, 1785, 2291, 2465, 2499, 2765, 3045, 3451, 3871, 4029, 4165, 4263, 6715, 6873, 7105, 7395, 8295, 9401, 10353, 11455, 11613, 12495, 16037, 17255, 19355, 20145, 21315, 24157, 28203, 34365, 38947, 47005, 48111, 51765, 58065, 65807, 72471, 80185, 112259, 116841, 120785, 141015, 194735, 197421, 240555, 272629, 329035, 336777, 362355, 561295, 584205, 817887, 987105, 1363145, 1683885, 1908403, 4089435, 5725209, 9542015, 28626045]

約数ペア:

[(1, 28626045), (3, 9542015), (5, 5725209), (7, 4089435), (15, 1908403), (17, 1683885), (21, 1363145), (29, 987105), (35, 817887), (49, 584205), (51, 561295), (79, 362355), (85, 336777), (87, 329035), (105, 272629), (119, 240555), (145, 197421), (147, 194735), (203, 141015), (237, 120785), (245, 116841), (255, 112259), (357, 80185), (395, 72471), (435, 65807), (493, 58065), (553, 51765), (595, 48111), (609, 47005), (735, 38947), (833, 34365), (1015, 28203), (1185, 24157), (1343, 21315), (1421, 20145), (1479, 19355), (1659, 17255), (1785, 16037), (2291, 12495), (2465, 11613), (2499, 11455), (2765, 10353), (3045, 9401), (3451, 8295), (3871, 7395), (4029, 7105), (4165, 6873), (4263, 6715)]