171972045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{181981}}^1$

素因数の和:182002

約数の個数: 32

約数和(自身を含む): 349405440

約数和(自身を除く): 177433395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 181981, 545943, 909905, 1273867, 1637829, 2729715, 3821601, 4913487, 6369335, 8189145, 11464803, 19108005, 24567435, 34394409, 57324015, 171972045]

約数ペア:

[(1, 171972045), (3, 57324015), (5, 34394409), (7, 24567435), (9, 19108005), (15, 11464803), (21, 8189145), (27, 6369335), (35, 4913487), (45, 3821601), (63, 2729715), (105, 1637829), (135, 1273867), (189, 909905), (315, 545943), (945, 181981)]