221285826

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7727}}^1$

素因数の和:7815

約数の個数: 48

約数和(自身を含む): 503927424

約数和(自身を除く): 282641598

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 1591, 3182, 4773, 7727, 9546, 14319, 15454, 23181, 28638, 46362, 69543, 139086, 285899, 332261, 571798, 664522, 857697, 996783, 1715394, 1993566, 2573091, 2990349, 5146182, 5980698, 12293657, 24587314, 36880971, 73761942, 110642913, 221285826]

約数ペア:

[(1, 221285826), (2, 110642913), (3, 73761942), (6, 36880971), (9, 24587314), (18, 12293657), (37, 5980698), (43, 5146182), (74, 2990349), (86, 2573091), (111, 1993566), (129, 1715394), (222, 996783), (258, 857697), (333, 664522), (387, 571798), (666, 332261), (774, 285899), (1591, 139086), (3182, 69543), (4773, 46362), (7727, 28638), (9546, 23181), (14319, 15454)]