18258345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^2$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 37365120

約数和(自身を除く): 19106775

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 189, 315, 417, 695, 945, 973, 1251, 2085, 2919, 3753, 4865, 6255, 8757, 14595, 18765, 19321, 26271, 43785, 57963, 96605, 131355, 135247, 173889, 289815, 405741, 521667, 676235, 869445, 1217223, 2028705, 2608335, 3651669, 6086115, 18258345]

約数ペア:

[(1, 18258345), (3, 6086115), (5, 3651669), (7, 2608335), (9, 2028705), (15, 1217223), (21, 869445), (27, 676235), (35, 521667), (45, 405741), (63, 289815), (105, 173889), (135, 135247), (139, 131355), (189, 96605), (315, 57963), (417, 43785), (695, 26271), (945, 19321), (973, 18765), (1251, 14595), (2085, 8757), (2919, 6255), (3753, 4865)]