27981045

素因数分解:

$3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1171}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 51052320

約数和(自身を除く): 23071275

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 295, 405, 531, 885, 1171, 1593, 2655, 3513, 4779, 5855, 7965, 10539, 17565, 23895, 31617, 52695, 69089, 94851, 158085, 207267, 345445, 474255, 621801, 1036335, 1865403, 3109005, 5596209, 9327015, 27981045]

約数ペア:

[(1, 27981045), (3, 9327015), (5, 5596209), (9, 3109005), (15, 1865403), (27, 1036335), (45, 621801), (59, 474255), (81, 345445), (135, 207267), (177, 158085), (295, 94851), (405, 69089), (531, 52695), (885, 31617), (1171, 23895), (1593, 17565), (2655, 10539), (3513, 7965), (4779, 5855)]