211293885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1579}}^1$

素因数の和:2409

約数の個数: 32

約数和(自身を含む): 369492480

約数和(自身を除く): 158198595

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 811, 1579, 2433, 4055, 4737, 7895, 8921, 12165, 17369, 23685, 26763, 44605, 52107, 86845, 133815, 260535, 1280569, 3841707, 6402845, 14086259, 19208535, 42258777, 70431295, 211293885]

約数ペア:

[(1, 211293885), (3, 70431295), (5, 42258777), (11, 19208535), (15, 14086259), (33, 6402845), (55, 3841707), (165, 1280569), (811, 260535), (1579, 133815), (2433, 86845), (4055, 52107), (4737, 44605), (7895, 26763), (8921, 23685), (12165, 17369)]