257188935

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1\times {\mathrm{607}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 421650432

約数和(自身を除く): 164461497

約数列:

[1, 3, 5, 15, 47, 141, 235, 601, 607, 705, 1803, 1821, 3005, 3035, 9015, 9105, 28247, 28529, 84741, 85587, 141235, 142645, 364807, 423705, 427935, 1094421, 1824035, 5472105, 17145929, 51437787, 85729645, 257188935]

約数ペア:

[(1, 257188935), (3, 85729645), (5, 51437787), (15, 17145929), (47, 5472105), (141, 1824035), (235, 1094421), (601, 427935), (607, 423705), (705, 364807), (1803, 142645), (1821, 141235), (3005, 85587), (3035, 84741), (9015, 28529), (9105, 28247)]