42639009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 27033951

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 1411, 1439, 1743, 4233, 4317, 9877, 10073, 24463, 29631, 30219, 73389, 119437, 171241, 358311, 513723, 836059, 2030429, 2508177, 6091287, 14213003, 42639009]

約数ペア:

[(1, 42639009), (3, 14213003), (7, 6091287), (17, 2508177), (21, 2030429), (51, 836059), (83, 513723), (119, 358311), (249, 171241), (357, 119437), (581, 73389), (1411, 30219), (1439, 29631), (1743, 24463), (4233, 10073), (4317, 9877)]