17841951

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 28447584

約数和(自身を除く): 10605633

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 157, 183, 207, 471, 549, 621, 1403, 1413, 1647, 1863, 3611, 4209, 4239, 4941, 9577, 10833, 12627, 12717, 28731, 32499, 37881, 86193, 97497, 113643, 220271, 258579, 292491, 660813, 775737, 1982439, 5947317, 17841951]

約数ペア:

[(1, 17841951), (3, 5947317), (9, 1982439), (23, 775737), (27, 660813), (61, 292491), (69, 258579), (81, 220271), (157, 113643), (183, 97497), (207, 86193), (471, 37881), (549, 32499), (621, 28731), (1403, 12717), (1413, 12627), (1647, 10833), (1863, 9577), (3611, 4941), (4209, 4239)]