210105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 449280

約数和(自身を除く): 239175

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 29, 35, 45, 63, 69, 87, 105, 115, 145, 161, 203, 207, 261, 315, 345, 435, 483, 609, 667, 805, 1015, 1035, 1305, 1449, 1827, 2001, 2415, 3045, 3335, 4669, 6003, 7245, 9135, 10005, 14007, 23345, 30015, 42021, 70035, 210105]

約数ペア:

[(1, 210105), (3, 70035), (5, 42021), (7, 30015), (9, 23345), (15, 14007), (21, 10005), (23, 9135), (29, 7245), (35, 6003), (45, 4669), (63, 3335), (69, 3045), (87, 2415), (105, 2001), (115, 1827), (145, 1449), (161, 1305), (203, 1035), (207, 1015), (261, 805), (315, 667), (345, 609), (435, 483)]