7919979

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 11411712

約数和(自身を除く): 3491733

約数列:

[1, 3, 19, 57, 71, 103, 213, 309, 361, 1083, 1349, 1957, 4047, 5871, 7313, 21939, 25631, 37183, 76893, 111549, 138947, 416841, 2639993, 7919979]

約数ペア:

[(1, 7919979), (3, 2639993), (19, 416841), (57, 138947), (71, 111549), (103, 76893), (213, 37183), (309, 25631), (361, 21939), (1083, 7313), (1349, 5871), (1957, 4047)]