4505625

素因数分解:

$3^4\times 5^4\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 50

約数和(自身を含む): 8505090

約数和(自身を除く): 3999465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 125, 135, 225, 267, 375, 405, 445, 625, 675, 801, 1125, 1335, 1875, 2025, 2225, 2403, 3375, 4005, 5625, 6675, 7209, 10125, 11125, 12015, 16875, 20025, 33375, 36045, 50625, 55625, 60075, 100125, 166875, 180225, 300375, 500625, 901125, 1501875, 4505625]

約数ペア:

[(1, 4505625), (3, 1501875), (5, 901125), (9, 500625), (15, 300375), (25, 180225), (27, 166875), (45, 100125), (75, 60075), (81, 55625), (89, 50625), (125, 36045), (135, 33375), (225, 20025), (267, 16875), (375, 12015), (405, 11125), (445, 10125), (625, 7209), (675, 6675), (801, 5625), (1125, 4005), (1335, 3375), (1875, 2403), (2025, 2225)]