211991091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^2$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 308053200

約数和(自身を除く): 96062109

約数列:

[1, 3, 13, 39, 149, 191, 447, 573, 1937, 2483, 5811, 7449, 28459, 36481, 85377, 109443, 369967, 474253, 1109901, 1422759, 5435669, 16307007, 70663697, 211991091]

約数ペア:

[(1, 211991091), (3, 70663697), (13, 16307007), (39, 5435669), (149, 1422759), (191, 1109901), (447, 474253), (573, 369967), (1937, 109443), (2483, 85377), (5811, 36481), (7449, 28459)]