155721153

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{953}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 246177792

約数和(自身を除く): 90456639

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 651, 753, 953, 1757, 2859, 5271, 6671, 7781, 20013, 23343, 29543, 54467, 88629, 163401, 206801, 239203, 620403, 717609, 1674421, 5023263, 7415293, 22245879, 51907051, 155721153]

約数ペア:

[(1, 155721153), (3, 51907051), (7, 22245879), (21, 7415293), (31, 5023263), (93, 1674421), (217, 717609), (251, 620403), (651, 239203), (753, 206801), (953, 163401), (1757, 88629), (2859, 54467), (5271, 29543), (6671, 23343), (7781, 20013)]