220968573

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 346705920

約数和(自身を除く): 125737347

約数列:

[1, 3, 7, 21, 47, 131, 141, 329, 393, 917, 987, 1709, 2751, 5127, 6157, 11963, 18471, 35889, 43099, 80323, 129297, 223879, 240969, 562261, 671637, 1567153, 1686783, 4701459, 10522313, 31566939, 73656191, 220968573]

約数ペア:

[(1, 220968573), (3, 73656191), (7, 31566939), (21, 10522313), (47, 4701459), (131, 1686783), (141, 1567153), (329, 671637), (393, 562261), (917, 240969), (987, 223879), (1709, 129297), (2751, 80323), (5127, 43099), (6157, 35889), (11963, 18471)]