1999791855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{51257}}^1$

素因数の和:51305

約数の個数: 48

約数和(自身を含む): 3776689440

約数和(自身を除く): 1776897585

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 2295, 2601, 4335, 7803, 13005, 39015, 51257, 153771, 256285, 461313, 768855, 871369, 1383939, 2306565, 2614107, 4356845, 6919695, 7842321, 13070535, 14813273, 23526963, 39211605, 44439819, 74066365, 117634815, 133319457, 222199095, 399958371, 666597285, 1999791855]

約数ペア:

[(1, 1999791855), (3, 666597285), (5, 399958371), (9, 222199095), (15, 133319457), (17, 117634815), (27, 74066365), (45, 44439819), (51, 39211605), (85, 23526963), (135, 14813273), (153, 13070535), (255, 7842321), (289, 6919695), (459, 4356845), (765, 2614107), (867, 2306565), (1445, 1383939), (2295, 871369), (2601, 768855), (4335, 461313), (7803, 256285), (13005, 153771), (39015, 51257)]