42890727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 64385280

約数和(自身を除く): 21494553

約数列:

[1, 3, 11, 33, 53, 137, 159, 179, 411, 537, 583, 1507, 1749, 1969, 4521, 5907, 7261, 9487, 21783, 24523, 28461, 73569, 79871, 104357, 239613, 269753, 313071, 809259, 1299719, 3899157, 14296909, 42890727]

約数ペア:

[(1, 42890727), (3, 14296909), (11, 3899157), (33, 1299719), (53, 809259), (137, 313071), (159, 269753), (179, 239613), (411, 104357), (537, 79871), (583, 73569), (1507, 28461), (1749, 24523), (1969, 21783), (4521, 9487), (5907, 7261)]