16864575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 35029008

約数和(自身を除く): 18164433

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 353, 455, 525, 637, 735, 975, 1059, 1225, 1365, 1765, 1911, 2275, 2471, 3185, 3675, 4589, 5295, 6825, 7413, 8825, 9555, 12355, 13767, 15925, 17297, 22945, 26475, 32123, 37065, 47775, 51891, 61775, 68835, 86485, 96369, 114725, 160615, 185325, 224861, 259455, 344175, 432425, 481845, 674583, 803075, 1124305, 1297275, 2409225, 3372915, 5621525, 16864575]

約数ペア:

[(1, 16864575), (3, 5621525), (5, 3372915), (7, 2409225), (13, 1297275), (15, 1124305), (21, 803075), (25, 674583), (35, 481845), (39, 432425), (49, 344175), (65, 259455), (75, 224861), (91, 185325), (105, 160615), (147, 114725), (175, 96369), (195, 86485), (245, 68835), (273, 61775), (325, 51891), (353, 47775), (455, 37065), (525, 32123), (637, 26475), (735, 22945), (975, 17297), (1059, 15925), (1225, 13767), (1365, 12355), (1765, 9555), (1911, 8825), (2275, 7413), (2471, 6825), (3185, 5295), (3675, 4589)]