7750871289

素因数分解:

$3^4\times 7^1\times {\mathrm{13669967}}^1$

素因数の和:13669986

約数の個数: 20

約数和(自身を含む): 13232529024

約数和(自身を除く): 5481657735

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13669967, 41009901, 95689769, 123029703, 287069307, 369089109, 861207921, 1107267327, 2583623763, 7750871289]

約数ペア:

[(1, 7750871289), (3, 2583623763), (7, 1107267327), (9, 861207921), (21, 369089109), (27, 287069307), (63, 123029703), (81, 95689769), (189, 41009901), (567, 13669967)]