178801077

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{34471}}^1$

素因数の和:34513

約数の個数: 32

約数和(自身を含む): 308869120

約数和(自身を除く): 130068043

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 34471, 103413, 241297, 448123, 654949, 723891, 1344369, 1964847, 3136861, 4584643, 8514337, 9410583, 13753929, 25543011, 59600359, 178801077]

約数ペア:

[(1, 178801077), (3, 59600359), (7, 25543011), (13, 13753929), (19, 9410583), (21, 8514337), (39, 4584643), (57, 3136861), (91, 1964847), (133, 1344369), (247, 723891), (273, 654949), (399, 448123), (741, 241297), (1729, 103413), (5187, 34471)]