30983775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 57139200

約数和(自身を除く): 26155425

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1279, 1425, 1615, 3837, 4845, 6395, 8075, 19185, 21743, 24225, 24301, 31975, 65229, 72903, 95925, 108715, 121505, 326145, 364515, 413117, 543575, 607525, 1239351, 1630725, 1822575, 2065585, 6196755, 10327925, 30983775]

約数ペア:

[(1, 30983775), (3, 10327925), (5, 6196755), (15, 2065585), (17, 1822575), (19, 1630725), (25, 1239351), (51, 607525), (57, 543575), (75, 413117), (85, 364515), (95, 326145), (255, 121505), (285, 108715), (323, 95925), (425, 72903), (475, 65229), (969, 31975), (1275, 24301), (1279, 24225), (1425, 21743), (1615, 19185), (3837, 8075), (4845, 6395)]