207966321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 331568640

約数和(自身を除く): 123602319

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 163, 269, 279, 489, 527, 807, 1467, 1581, 2421, 2771, 4573, 4743, 5053, 8313, 8339, 13719, 15159, 24939, 25017, 41157, 43847, 45477, 75051, 85901, 131541, 141763, 257703, 394623, 425289, 745399, 773109, 1275867, 1359257, 2236197, 4077771, 6708591, 12233313, 23107369, 69322107, 207966321]

約数ペア:

[(1, 207966321), (3, 69322107), (9, 23107369), (17, 12233313), (31, 6708591), (51, 4077771), (93, 2236197), (153, 1359257), (163, 1275867), (269, 773109), (279, 745399), (489, 425289), (527, 394623), (807, 257703), (1467, 141763), (1581, 131541), (2421, 85901), (2771, 75051), (4573, 45477), (4743, 43847), (5053, 41157), (8313, 25017), (8339, 24939), (13719, 15159)]