27841425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 48121920

約数和(自身を除く): 20280495

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 97, 129, 215, 267, 291, 445, 485, 645, 1075, 1335, 1455, 2225, 2425, 3225, 3827, 4171, 6675, 7275, 8633, 11481, 12513, 19135, 20855, 25899, 43165, 57405, 62565, 95675, 104275, 129495, 215825, 287025, 312825, 371219, 647475, 1113657, 1856095, 5568285, 9280475, 27841425]

約数ペア:

[(1, 27841425), (3, 9280475), (5, 5568285), (15, 1856095), (25, 1113657), (43, 647475), (75, 371219), (89, 312825), (97, 287025), (129, 215825), (215, 129495), (267, 104275), (291, 95675), (445, 62565), (485, 57405), (645, 43165), (1075, 25899), (1335, 20855), (1455, 19135), (2225, 12513), (2425, 11481), (3225, 8633), (3827, 7275), (4171, 6675)]