2509605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 5151744

約数和(自身を除く): 2642139

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 257, 279, 315, 465, 651, 771, 1085, 1285, 1395, 1799, 1953, 2313, 3255, 3855, 5397, 7967, 8995, 9765, 11565, 16191, 23901, 26985, 39835, 55769, 71703, 80955, 119505, 167307, 278845, 358515, 501921, 836535, 2509605]

約数ペア:

[(1, 2509605), (3, 836535), (5, 501921), (7, 358515), (9, 278845), (15, 167307), (21, 119505), (31, 80955), (35, 71703), (45, 55769), (63, 39835), (93, 26985), (105, 23901), (155, 16191), (217, 11565), (257, 9765), (279, 8995), (315, 7967), (465, 5397), (651, 3855), (771, 3255), (1085, 2313), (1285, 1953), (1395, 1799)]