4007385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 7550400

約数和(自身を除く): 3543015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 109, 129, 171, 215, 285, 327, 387, 545, 645, 817, 855, 981, 1635, 1935, 2071, 2451, 4085, 4687, 4905, 6213, 7353, 10355, 12255, 14061, 18639, 23435, 31065, 36765, 42183, 70305, 89053, 93195, 210915, 267159, 445265, 801477, 1335795, 4007385]

約数ペア:

[(1, 4007385), (3, 1335795), (5, 801477), (9, 445265), (15, 267159), (19, 210915), (43, 93195), (45, 89053), (57, 70305), (95, 42183), (109, 36765), (129, 31065), (171, 23435), (215, 18639), (285, 14061), (327, 12255), (387, 10355), (545, 7353), (645, 6213), (817, 4905), (855, 4687), (981, 4085), (1635, 2451), (1935, 2071)]