78431769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1493}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 122358600

約数和(自身を除く): 43926831

約数列:

[1, 3, 9, 13, 39, 117, 449, 1347, 1493, 4041, 4479, 5837, 13437, 17511, 19409, 52533, 58227, 174681, 670357, 2011071, 6033213, 8714641, 26143923, 78431769]

約数ペア:

[(1, 78431769), (3, 26143923), (9, 8714641), (13, 6033213), (39, 2011071), (117, 670357), (449, 174681), (1347, 58227), (1493, 52533), (4041, 19409), (4479, 17511), (5837, 13437)]