180517239

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 306408960

約数和(自身を除く): 125891721

約数列:

[1, 3, 7, 9, 21, 61, 63, 107, 183, 321, 427, 439, 549, 749, 963, 1281, 1317, 2247, 3073, 3843, 3951, 6527, 6741, 9219, 19581, 26779, 27657, 45689, 46973, 58743, 80337, 137067, 140919, 187453, 241011, 328811, 411201, 422757, 562359, 986433, 1687077, 2865353, 2959299, 8596059, 20057471, 25788177, 60172413, 180517239]

約数ペア:

[(1, 180517239), (3, 60172413), (7, 25788177), (9, 20057471), (21, 8596059), (61, 2959299), (63, 2865353), (107, 1687077), (183, 986433), (321, 562359), (427, 422757), (439, 411201), (549, 328811), (749, 241011), (963, 187453), (1281, 140919), (1317, 137067), (2247, 80337), (3073, 58743), (3843, 46973), (3951, 45689), (6527, 27657), (6741, 26779), (9219, 19581)]