28649145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11863}}^1$

素因数の和:11901

約数の個数: 32

約数和(自身を含む): 54669312

約数和(自身を除く): 26020167

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11863, 35589, 59315, 83041, 177945, 249123, 272849, 415205, 818547, 1245615, 1364245, 1909943, 4092735, 5729829, 9549715, 28649145]

約数ペア:

[(1, 28649145), (3, 9549715), (5, 5729829), (7, 4092735), (15, 1909943), (21, 1364245), (23, 1245615), (35, 818547), (69, 415205), (105, 272849), (115, 249123), (161, 177945), (345, 83041), (483, 59315), (805, 35589), (2415, 11863)]