18125403

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8485797

約数列:

[1, 3, 23, 41, 43, 69, 123, 129, 149, 447, 943, 989, 1763, 2829, 2967, 3427, 5289, 6109, 6407, 10281, 18327, 19221, 40549, 121647, 140507, 147361, 262687, 421521, 442083, 788061, 6041801, 18125403]

約数ペア:

[(1, 18125403), (3, 6041801), (23, 788061), (41, 442083), (43, 421521), (69, 262687), (123, 147361), (129, 140507), (149, 121647), (447, 40549), (943, 19221), (989, 18327), (1763, 10281), (2829, 6407), (2967, 6109), (3427, 5289)]