12713295

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 23797296

約数和(自身を除く): 11084001

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 353, 735, 1029, 1059, 1715, 1765, 2401, 2471, 5145, 5295, 7203, 7413, 12005, 12355, 17297, 36015, 37065, 51891, 86485, 121079, 259455, 363237, 605395, 847553, 1816185, 2542659, 4237765, 12713295]

約数ペア:

[(1, 12713295), (3, 4237765), (5, 2542659), (7, 1816185), (15, 847553), (21, 605395), (35, 363237), (49, 259455), (105, 121079), (147, 86485), (245, 51891), (343, 37065), (353, 36015), (735, 17297), (1029, 12355), (1059, 12005), (1715, 7413), (1765, 7203), (2401, 5295), (2471, 5145)]