66991431

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 97312080

約数和(自身を除く): 30320649

約数列:

[1, 3, 13, 39, 169, 229, 507, 577, 687, 1731, 2977, 7501, 8931, 22503, 38701, 97513, 116103, 132133, 292539, 396399, 1717729, 5153187, 22330477, 66991431]

約数ペア:

[(1, 66991431), (3, 22330477), (13, 5153187), (39, 1717729), (169, 396399), (229, 292539), (507, 132133), (577, 116103), (687, 97513), (1731, 38701), (2977, 22503), (7501, 8931)]