78918861

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4751}}^1$

素因数の和:4881

約数の個数: 24

約数和(自身を含む): 123513984

約数和(自身を除く): 44595123

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 4751, 5537, 14253, 16611, 33257, 99771, 232799, 536863, 698397, 1610589, 3758041, 11274123, 26306287, 78918861]

約数ペア:

[(1, 78918861), (3, 26306287), (7, 11274123), (21, 3758041), (49, 1610589), (113, 698397), (147, 536863), (339, 232799), (791, 99771), (2373, 33257), (4751, 16611), (5537, 14253)]