2645019

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 4339296

約数和(自身を除く): 1694277

約数列:

[1, 3, 9, 13, 37, 39, 47, 111, 117, 141, 169, 333, 423, 481, 507, 611, 1443, 1521, 1739, 1833, 4329, 5217, 5499, 6253, 7943, 15651, 18759, 22607, 23829, 56277, 67821, 71487, 203463, 293891, 881673, 2645019]

約数ペア:

[(1, 2645019), (3, 881673), (9, 293891), (13, 203463), (37, 71487), (39, 67821), (47, 56277), (111, 23829), (117, 22607), (141, 18759), (169, 15651), (333, 7943), (423, 6253), (481, 5499), (507, 5217), (611, 4329), (1443, 1833), (1521, 1739)]