28890195

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 48356352

約数和(自身を除く): 19466157

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 953, 2021, 2859, 4765, 6063, 10105, 14295, 30315, 40979, 44791, 122937, 134373, 204895, 223955, 614685, 671865, 1926013, 5778039, 9630065, 28890195]

約数ペア:

[(1, 28890195), (3, 9630065), (5, 5778039), (15, 1926013), (43, 671865), (47, 614685), (129, 223955), (141, 204895), (215, 134373), (235, 122937), (645, 44791), (705, 40979), (953, 30315), (2021, 14295), (2859, 10105), (4765, 6063)]