212194071

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{2467}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 323406720

約数和(自身を除く): 111212649

約数列:

[1, 3, 9, 19, 57, 171, 503, 1509, 2467, 4527, 7401, 9557, 22203, 28671, 46873, 86013, 140619, 421857, 1240901, 3722703, 11168109, 23577119, 70731357, 212194071]

約数ペア:

[(1, 212194071), (3, 70731357), (9, 23577119), (19, 11168109), (57, 3722703), (171, 1240901), (503, 421857), (1509, 140619), (2467, 86013), (4527, 46873), (7401, 28671), (9557, 22203)]