67998345

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 112942080

約数和(自身を除く): 44943735

約数列:

[1, 3, 5, 15, 31, 93, 155, 257, 465, 569, 771, 1285, 1707, 2845, 3855, 7967, 8535, 17639, 23901, 39835, 52917, 88195, 119505, 146233, 264585, 438699, 731165, 2193495, 4533223, 13599669, 22666115, 67998345]

約数ペア:

[(1, 67998345), (3, 22666115), (5, 13599669), (15, 4533223), (31, 2193495), (93, 731165), (155, 438699), (257, 264585), (465, 146233), (569, 119505), (771, 88195), (1285, 52917), (1707, 39835), (2845, 23901), (3855, 17639), (7967, 8535)]