31012875

素因数分解:

$3^5\times 5^3\times {\mathrm{1021}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 58033248

約数和(自身を除く): 27020373

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 1021, 1125, 1215, 2025, 3063, 3375, 5105, 6075, 9189, 10125, 15315, 25525, 27567, 30375, 45945, 76575, 82701, 127625, 137835, 229725, 248103, 382875, 413505, 689175, 1148625, 1240515, 2067525, 3445875, 6202575, 10337625, 31012875]

約数ペア:

[(1, 31012875), (3, 10337625), (5, 6202575), (9, 3445875), (15, 2067525), (25, 1240515), (27, 1148625), (45, 689175), (75, 413505), (81, 382875), (125, 248103), (135, 229725), (225, 137835), (243, 127625), (375, 82701), (405, 76575), (675, 45945), (1021, 30375), (1125, 27567), (1215, 25525), (2025, 15315), (3063, 10125), (3375, 9189), (5105, 6075)]