12780821925

素因数分解:

$3^5\times 5^2\times {\mathrm{2103839}}^1$

素因数の和:2103864

約数の個数: 36

約数和(自身を含む): 23739730560

約数和(自身を除く): 10958908635

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 2103839, 6311517, 10519195, 18934551, 31557585, 52595975, 56803653, 94672755, 157787925, 170410959, 284018265, 473363775, 511232877, 852054795, 1420091325, 2556164385, 4260273975, 12780821925]

約数ペア:

[(1, 12780821925), (3, 4260273975), (5, 2556164385), (9, 1420091325), (15, 852054795), (25, 511232877), (27, 473363775), (45, 284018265), (75, 170410959), (81, 157787925), (135, 94672755), (225, 56803653), (243, 52595975), (405, 31557585), (675, 18934551), (1215, 10519195), (2025, 6311517), (6075, 2103839)]