128466915

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140401}}^1$

素因数の和:140470

約数の個数: 16

約数和(自身を含む): 208918176

約数和(自身を除く): 80451261

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 140401, 421203, 702005, 2106015, 8564461, 25693383, 42822305, 128466915]

約数ペア:

[(1, 128466915), (3, 42822305), (5, 25693383), (15, 8564461), (61, 2106015), (183, 702005), (305, 421203), (915, 140401)]