27765615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 48162816

約数和(自身を除く): 20397201

約数列:

[1, 3, 5, 15, 29, 31, 71, 87, 93, 145, 155, 213, 355, 435, 465, 841, 899, 1065, 2059, 2201, 2523, 2697, 4205, 4495, 6177, 6603, 10295, 11005, 12615, 13485, 26071, 30885, 33015, 59711, 63829, 78213, 130355, 179133, 191487, 298555, 319145, 391065, 895665, 957435, 1851041, 5553123, 9255205, 27765615]

約数ペア:

[(1, 27765615), (3, 9255205), (5, 5553123), (15, 1851041), (29, 957435), (31, 895665), (71, 391065), (87, 319145), (93, 298555), (145, 191487), (155, 179133), (213, 130355), (355, 78213), (435, 63829), (465, 59711), (841, 33015), (899, 30885), (1065, 26071), (2059, 13485), (2201, 12615), (2523, 11005), (2697, 10295), (4205, 6603), (4495, 6177)]