121201821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24091}}^1$

素因数の和:24153

約数の個数: 24

約数和(自身を含む): 192928736

約数和(自身を除く): 71726915

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 24091, 72273, 216819, 313183, 939549, 1035913, 2818647, 3107739, 9323217, 13466869, 40400607, 121201821]

約数ペア:

[(1, 121201821), (3, 40400607), (9, 13466869), (13, 9323217), (39, 3107739), (43, 2818647), (117, 1035913), (129, 939549), (387, 313183), (559, 216819), (1677, 72273), (5031, 24091)]