15289725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 28283904

約数和(自身を除く): 12994179

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 431, 473, 645, 825, 1075, 1293, 1419, 2155, 2365, 3225, 4741, 6465, 7095, 10775, 11825, 14223, 18533, 23705, 32325, 35475, 55599, 71115, 92665, 118525, 203863, 277995, 355575, 463325, 611589, 1019315, 1389975, 3057945, 5096575, 15289725]

約数ペア:

[(1, 15289725), (3, 5096575), (5, 3057945), (11, 1389975), (15, 1019315), (25, 611589), (33, 463325), (43, 355575), (55, 277995), (75, 203863), (129, 118525), (165, 92665), (215, 71115), (275, 55599), (431, 35475), (473, 32325), (645, 23705), (825, 18533), (1075, 14223), (1293, 11825), (1419, 10775), (2155, 7095), (2365, 6465), (3225, 4741)]