4042005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 7584192

約数和(自身を除く): 3542187

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 131, 165, 187, 255, 363, 393, 561, 605, 655, 935, 1441, 1815, 1965, 2057, 2227, 2805, 4323, 6171, 6681, 7205, 10285, 11135, 15851, 21615, 24497, 30855, 33405, 47553, 73491, 79255, 122485, 237765, 269467, 367455, 808401, 1347335, 4042005]

約数ペア:

[(1, 4042005), (3, 1347335), (5, 808401), (11, 367455), (15, 269467), (17, 237765), (33, 122485), (51, 79255), (55, 73491), (85, 47553), (121, 33405), (131, 30855), (165, 24497), (187, 21615), (255, 15851), (363, 11135), (393, 10285), (561, 7205), (605, 6681), (655, 6171), (935, 4323), (1441, 2805), (1815, 2227), (1965, 2057)]