27787365

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 22756635

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 107, 145, 199, 261, 321, 435, 535, 597, 963, 995, 1305, 1605, 1791, 2985, 3103, 4815, 5771, 8955, 9309, 15515, 17313, 21293, 27927, 28855, 46545, 51939, 63879, 86565, 106465, 139635, 191637, 259695, 319395, 617497, 958185, 1852491, 3087485, 5557473, 9262455, 27787365]

約数ペア:

[(1, 27787365), (3, 9262455), (5, 5557473), (9, 3087485), (15, 1852491), (29, 958185), (45, 617497), (87, 319395), (107, 259695), (145, 191637), (199, 139635), (261, 106465), (321, 86565), (435, 63879), (535, 51939), (597, 46545), (963, 28855), (995, 27927), (1305, 21293), (1605, 17313), (1791, 15515), (2985, 9309), (3103, 8955), (4815, 5771)]