13281125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 19498752

約数和(自身を除く): 6217627

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 743, 1375, 1625, 3575, 3715, 8173, 9659, 17875, 18575, 40865, 48295, 92875, 106249, 204325, 241475, 531245, 1021625, 1207375, 2656225, 13281125]

約数ペア:

[(1, 13281125), (5, 2656225), (11, 1207375), (13, 1021625), (25, 531245), (55, 241475), (65, 204325), (125, 106249), (143, 92875), (275, 48295), (325, 40865), (715, 18575), (743, 17875), (1375, 9659), (1625, 8173), (3575, 3715)]