155784819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 229478400

約数和(自身を除く): 73693581

約数列:

[1, 3, 19, 23, 57, 69, 331, 359, 437, 993, 1077, 1311, 6289, 6821, 7613, 8257, 18867, 20463, 22839, 24771, 118829, 144647, 156883, 356487, 433941, 470649, 2257751, 2733067, 6773253, 8199201, 51928273, 155784819]

約数ペア:

[(1, 155784819), (3, 51928273), (19, 8199201), (23, 6773253), (57, 2733067), (69, 2257751), (331, 470649), (359, 433941), (437, 356487), (993, 156883), (1077, 144647), (1311, 118829), (6289, 24771), (6821, 22839), (7613, 20463), (8257, 18867)]