18284265

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 35665920

約数和(自身を除く): 17381655

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 257, 279, 459, 465, 527, 765, 771, 837, 1285, 1395, 1581, 2295, 2313, 2635, 3855, 4185, 4369, 4743, 6939, 7905, 7967, 11565, 13107, 14229, 21845, 23715, 23901, 34695, 39321, 39835, 65535, 71145, 71703, 117963, 119505, 135439, 196605, 215109, 358515, 406317, 589815, 677195, 1075545, 1218951, 2031585, 3656853, 6094755, 18284265]

約数ペア:

[(1, 18284265), (3, 6094755), (5, 3656853), (9, 2031585), (15, 1218951), (17, 1075545), (27, 677195), (31, 589815), (45, 406317), (51, 358515), (85, 215109), (93, 196605), (135, 135439), (153, 119505), (155, 117963), (255, 71703), (257, 71145), (279, 65535), (459, 39835), (465, 39321), (527, 34695), (765, 23901), (771, 23715), (837, 21845), (1285, 14229), (1395, 13107), (1581, 11565), (2295, 7967), (2313, 7905), (2635, 6939), (3855, 4743), (4185, 4369)]