13280145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 23690880

約数和(自身を除く): 10410735

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2741, 4845, 8223, 13705, 41115, 46597, 52079, 139791, 156237, 232985, 260395, 698955, 781185, 885343, 2656029, 4426715, 13280145]

約数ペア:

[(1, 13280145), (3, 4426715), (5, 2656029), (15, 885343), (17, 781185), (19, 698955), (51, 260395), (57, 232985), (85, 156237), (95, 139791), (255, 52079), (285, 46597), (323, 41115), (969, 13705), (1615, 8223), (2741, 4845)]