72920841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1021}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 117734400

約数和(自身を除く): 44813559

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1021, 1253, 3063, 3401, 3759, 7147, 10203, 19399, 21441, 23807, 58197, 71421, 135793, 182759, 407379, 548277, 1279313, 3472421, 3837939, 10417263, 24306947, 72920841]

約数ペア:

[(1, 72920841), (3, 24306947), (7, 10417263), (19, 3837939), (21, 3472421), (57, 1279313), (133, 548277), (179, 407379), (399, 182759), (537, 135793), (1021, 71421), (1253, 58197), (3063, 23807), (3401, 21441), (3759, 19399), (7147, 10203)]