40918419

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 66729600

約数和(自身を除く): 25811181

約数列:

[1, 3, 9, 19, 27, 31, 57, 83, 93, 171, 249, 279, 513, 589, 747, 837, 961, 1577, 1767, 2241, 2573, 2883, 4731, 5301, 7719, 8649, 14193, 15903, 18259, 23157, 25947, 42579, 48887, 54777, 69471, 79763, 146661, 164331, 239289, 439983, 492993, 717867, 1319949, 1515497, 2153601, 4546491, 13639473, 40918419]

約数ペア:

[(1, 40918419), (3, 13639473), (9, 4546491), (19, 2153601), (27, 1515497), (31, 1319949), (57, 717867), (83, 492993), (93, 439983), (171, 239289), (249, 164331), (279, 146661), (513, 79763), (589, 69471), (747, 54777), (837, 48887), (961, 42579), (1577, 25947), (1767, 23157), (2241, 18259), (2573, 15903), (2883, 14193), (4731, 8649), (5301, 7719)]