330885

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 638880

約数和(自身を除く): 307995

約数列:

[1, 3, 5, 9, 15, 19, 27, 43, 45, 57, 81, 95, 129, 135, 171, 215, 285, 387, 405, 513, 645, 817, 855, 1161, 1539, 1935, 2451, 2565, 3483, 4085, 5805, 7353, 7695, 12255, 17415, 22059, 36765, 66177, 110295, 330885]

約数ペア:

[(1, 330885), (3, 110295), (5, 66177), (9, 36765), (15, 22059), (19, 17415), (27, 12255), (43, 7695), (45, 7353), (57, 5805), (81, 4085), (95, 3483), (129, 2565), (135, 2451), (171, 1935), (215, 1539), (285, 1161), (387, 855), (405, 817), (513, 645)]