18129015

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 33441408

約数和(自身を除く): 15312393

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 347, 387, 405, 645, 1041, 1161, 1215, 1735, 1935, 3123, 3483, 5205, 5805, 9369, 10449, 14921, 15615, 17415, 28107, 44763, 46845, 52245, 74605, 84321, 134289, 140535, 223815, 402867, 421605, 671445, 1208601, 2014335, 3625803, 6043005, 18129015]

約数ペア:

[(1, 18129015), (3, 6043005), (5, 3625803), (9, 2014335), (15, 1208601), (27, 671445), (43, 421605), (45, 402867), (81, 223815), (129, 140535), (135, 134289), (215, 84321), (243, 74605), (347, 52245), (387, 46845), (405, 44763), (645, 28107), (1041, 17415), (1161, 15615), (1215, 14921), (1735, 10449), (1935, 9369), (3123, 5805), (3483, 5205)]