201290103

素因数分解:

$3^4\times 7^1\times {\mathrm{355009}}^1$

素因数の和:355028

約数の個数: 20

約数和(自身を含む): 343649680

約数和(自身を除く): 142359577

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355009, 1065027, 2485063, 3195081, 7455189, 9585243, 22365567, 28755729, 67096701, 201290103]

約数ペア:

[(1, 201290103), (3, 67096701), (7, 28755729), (9, 22365567), (21, 9585243), (27, 7455189), (63, 3195081), (81, 2485063), (189, 1065027), (567, 355009)]