18387201

素因数分解:

$3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10643199

約数列:

[1, 3, 7, 21, 49, 107, 147, 167, 321, 343, 501, 749, 1029, 1169, 2247, 3507, 5243, 8183, 15729, 17869, 24549, 36701, 53607, 57281, 110103, 125083, 171843, 375249, 875581, 2626743, 6129067, 18387201]

約数ペア:

[(1, 18387201), (3, 6129067), (7, 2626743), (21, 875581), (49, 375249), (107, 171843), (147, 125083), (167, 110103), (321, 57281), (343, 53607), (501, 36701), (749, 24549), (1029, 17869), (1169, 15729), (2247, 8183), (3507, 5243)]