16868985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 15142215

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 59, 105, 147, 177, 245, 295, 389, 413, 735, 885, 1167, 1239, 1945, 2065, 2723, 2891, 5835, 6195, 8169, 8673, 13615, 14455, 19061, 22951, 40845, 43365, 57183, 68853, 95305, 114755, 160657, 285915, 344265, 481971, 803285, 1124599, 2409855, 3373797, 5622995, 16868985]

約数ペア:

[(1, 16868985), (3, 5622995), (5, 3373797), (7, 2409855), (15, 1124599), (21, 803285), (35, 481971), (49, 344265), (59, 285915), (105, 160657), (147, 114755), (177, 95305), (245, 68853), (295, 57183), (389, 43365), (413, 40845), (735, 22951), (885, 19061), (1167, 14455), (1239, 13615), (1945, 8673), (2065, 8169), (2723, 6195), (2891, 5835)]