81075603

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 130659840

約数和(自身を除く): 49584237

約数列:

[1, 3, 7, 19, 21, 57, 133, 317, 399, 641, 951, 1923, 2219, 4487, 6023, 6657, 12179, 13461, 18069, 36537, 42161, 85253, 126483, 203197, 255759, 609591, 1422379, 3860743, 4267137, 11582229, 27025201, 81075603]

約数ペア:

[(1, 81075603), (3, 27025201), (7, 11582229), (19, 4267137), (21, 3860743), (57, 1422379), (133, 609591), (317, 255759), (399, 203197), (641, 126483), (951, 85253), (1923, 42161), (2219, 36537), (4487, 18069), (6023, 13461), (6657, 12179)]