189257955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 142518045

約数列:

[1, 3, 5, 15, 19, 47, 57, 71, 95, 141, 199, 213, 235, 285, 355, 597, 705, 893, 995, 1065, 1349, 2679, 2985, 3337, 3781, 4047, 4465, 6745, 9353, 10011, 11343, 13395, 14129, 16685, 18905, 20235, 28059, 42387, 46765, 50055, 56715, 63403, 70645, 140295, 177707, 190209, 211935, 268451, 317015, 533121, 664063, 805353, 888535, 951045, 1342255, 1992189, 2665605, 3320315, 4026765, 9960945, 12617197, 37851591, 63085985, 189257955]

約数ペア:

[(1, 189257955), (3, 63085985), (5, 37851591), (15, 12617197), (19, 9960945), (47, 4026765), (57, 3320315), (71, 2665605), (95, 1992189), (141, 1342255), (199, 951045), (213, 888535), (235, 805353), (285, 664063), (355, 533121), (597, 317015), (705, 268451), (893, 211935), (995, 190209), (1065, 177707), (1349, 140295), (2679, 70645), (2985, 63403), (3337, 56715), (3781, 50055), (4047, 46765), (4465, 42387), (6745, 28059), (9353, 20235), (10011, 18905), (11343, 16685), (13395, 14129)]