18431091

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13087629

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 863, 1017, 2373, 2589, 3051, 6041, 7119, 7767, 18123, 21357, 23301, 54369, 97519, 163107, 292557, 682633, 877671, 2047899, 2633013, 6143697, 18431091]

約数ペア:

[(1, 18431091), (3, 6143697), (7, 2633013), (9, 2047899), (21, 877671), (27, 682633), (63, 292557), (113, 163107), (189, 97519), (339, 54369), (791, 23301), (863, 21357), (1017, 18123), (2373, 7767), (2589, 7119), (3051, 6041)]