1866417

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 3047424

約数和(自身を除く): 1181007

約数列:

[1, 3, 7, 21, 31, 47, 61, 93, 141, 183, 217, 329, 427, 651, 987, 1281, 1457, 1891, 2867, 4371, 5673, 8601, 10199, 13237, 20069, 30597, 39711, 60207, 88877, 266631, 622139, 1866417]

約数ペア:

[(1, 1866417), (3, 622139), (7, 266631), (21, 88877), (31, 60207), (47, 39711), (61, 30597), (93, 20069), (141, 13237), (183, 10199), (217, 8601), (329, 5673), (427, 4371), (651, 2867), (987, 1891), (1281, 1457)]