2138409

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 36

約数和(自身を含む): 3879876

約数和(自身を除く): 1741467

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 373, 441, 637, 819, 1119, 1911, 2611, 3357, 4849, 5733, 7833, 14547, 18277, 23499, 33943, 43641, 54831, 101829, 164493, 237601, 305487, 712803, 2138409]

約数ペア:

[(1, 2138409), (3, 712803), (7, 305487), (9, 237601), (13, 164493), (21, 101829), (39, 54831), (49, 43641), (63, 33943), (91, 23499), (117, 18277), (147, 14547), (273, 7833), (373, 5733), (441, 4849), (637, 3357), (819, 2611), (1119, 1911)]