2187171

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 3650400

約数和(自身を除く): 1463229

約数列:

[1, 3, 7, 9, 21, 63, 149, 233, 447, 699, 1043, 1341, 1631, 2097, 3129, 4893, 9387, 14679, 34717, 104151, 243019, 312453, 729057, 2187171]

約数ペア:

[(1, 2187171), (3, 729057), (7, 312453), (9, 243019), (21, 104151), (63, 34717), (149, 14679), (233, 9387), (447, 4893), (699, 3129), (1043, 2097), (1341, 1631)]