80847975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 145553184

約数和(自身を除く): 64705209

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 195, 303, 325, 505, 821, 975, 1313, 1515, 2463, 2525, 3939, 4105, 6565, 7575, 10673, 12315, 19695, 20525, 32019, 32825, 53365, 61575, 82921, 98475, 160095, 248763, 266825, 414605, 800475, 1077973, 1243815, 2073025, 3233919, 5389865, 6219075, 16169595, 26949325, 80847975]

約数ペア:

[(1, 80847975), (3, 26949325), (5, 16169595), (13, 6219075), (15, 5389865), (25, 3233919), (39, 2073025), (65, 1243815), (75, 1077973), (101, 800475), (195, 414605), (303, 266825), (325, 248763), (505, 160095), (821, 98475), (975, 82921), (1313, 61575), (1515, 53365), (2463, 32825), (2525, 32019), (3939, 20525), (4105, 19695), (6565, 12315), (7575, 10673)]