247506561

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{659}}^1\times {\mathrm{1439}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 370656000

約数和(自身を除く): 123149439

約数列:

[1, 3, 9, 29, 87, 261, 659, 1439, 1977, 4317, 5931, 12951, 19111, 41731, 57333, 125193, 171999, 375579, 948301, 2844903, 8534709, 27500729, 82502187, 247506561]

約数ペア:

[(1, 247506561), (3, 82502187), (9, 27500729), (29, 8534709), (87, 2844903), (261, 948301), (659, 375579), (1439, 171999), (1977, 125193), (4317, 57333), (5931, 41731), (12951, 19111)]