12638223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 19859840

約数和(自身を除く): 7221617

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 991, 1417, 2973, 4251, 8919, 12753, 12883, 38649, 108019, 115947, 324057, 972171, 1404247, 4212741, 12638223]

約数ペア:

[(1, 12638223), (3, 4212741), (9, 1404247), (13, 972171), (39, 324057), (109, 115947), (117, 108019), (327, 38649), (981, 12883), (991, 12753), (1417, 8919), (2973, 4251)]