2078505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 96

約数和(自身を含む): 4717440

約数和(自身を除く): 2638935

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 19, 33, 39, 45, 51, 55, 57, 65, 85, 95, 99, 117, 143, 153, 165, 171, 187, 195, 209, 221, 247, 255, 285, 323, 429, 495, 561, 585, 627, 663, 715, 741, 765, 855, 935, 969, 1045, 1105, 1235, 1287, 1615, 1683, 1881, 1989, 2145, 2223, 2431, 2717, 2805, 2907, 3135, 3315, 3553, 3705, 4199, 4845, 6435, 7293, 8151, 8415, 9405, 9945, 10659, 11115, 12155, 12597, 13585, 14535, 17765, 20995, 21879, 24453, 31977, 36465, 37791, 40755, 46189, 53295, 62985, 109395, 122265, 138567, 159885, 188955, 230945, 415701, 692835, 2078505]

約数ペア:

[(1, 2078505), (3, 692835), (5, 415701), (9, 230945), (11, 188955), (13, 159885), (15, 138567), (17, 122265), (19, 109395), (33, 62985), (39, 53295), (45, 46189), (51, 40755), (55, 37791), (57, 36465), (65, 31977), (85, 24453), (95, 21879), (99, 20995), (117, 17765), (143, 14535), (153, 13585), (165, 12597), (171, 12155), (187, 11115), (195, 10659), (209, 9945), (221, 9405), (247, 8415), (255, 8151), (285, 7293), (323, 6435), (429, 4845), (495, 4199), (561, 3705), (585, 3553), (627, 3315), (663, 3135), (715, 2907), (741, 2805), (765, 2717), (855, 2431), (935, 2223), (969, 2145), (1045, 1989), (1105, 1881), (1235, 1683), (1287, 1615)]