448105281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 654044160

約数和(自身を除く): 205938879

約数列:

[1, 3, 13, 39, 131, 139, 393, 417, 631, 1703, 1807, 1893, 5109, 5421, 8203, 18209, 24609, 54627, 82661, 87709, 236717, 247983, 263127, 710151, 1074593, 1140217, 3223779, 3420651, 11489879, 34469637, 149368427, 448105281]

約数ペア:

[(1, 448105281), (3, 149368427), (13, 34469637), (39, 11489879), (131, 3420651), (139, 3223779), (393, 1140217), (417, 1074593), (631, 710151), (1703, 263127), (1807, 247983), (1893, 236717), (5109, 87709), (5421, 82661), (8203, 54627), (18209, 24609)]