27870003

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2969}}^1$

素因数の和:3131

約数の個数: 24

約数和(自身を含む): 46332000

約数和(自身を除く): 18461997

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2969, 3129, 8907, 9387, 20783, 26721, 62349, 187047, 442381, 1327143, 3096667, 3981429, 9290001, 27870003]

約数ペア:

[(1, 27870003), (3, 9290001), (7, 3981429), (9, 3096667), (21, 1327143), (63, 442381), (149, 187047), (447, 62349), (1043, 26721), (1341, 20783), (2969, 9387), (3129, 8907)]