220662975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13313}}^1$

素因数の和:13356

約数の個数: 48

約数和(自身を含む): 416035872

約数和(自身を除く): 195372897

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 13313, 16575, 39939, 66565, 173069, 199695, 226321, 332825, 519207, 678963, 865345, 998475, 1131605, 2596035, 2942173, 3394815, 4326725, 5658025, 8826519, 12980175, 14710865, 16974075, 44132595, 73554325, 220662975]

約数ペア:

[(1, 220662975), (3, 73554325), (5, 44132595), (13, 16974075), (15, 14710865), (17, 12980175), (25, 8826519), (39, 5658025), (51, 4326725), (65, 3394815), (75, 2942173), (85, 2596035), (195, 1131605), (221, 998475), (255, 865345), (325, 678963), (425, 519207), (663, 332825), (975, 226321), (1105, 199695), (1275, 173069), (3315, 66565), (5525, 39939), (13313, 16575)]