12403965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6949}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 24019200

約数和(自身を除く): 11615235

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 6949, 20847, 34745, 48643, 104235, 118133, 145929, 243215, 354399, 590665, 729645, 826931, 1771995, 2480793, 4134655, 12403965]

約数ペア:

[(1, 12403965), (3, 4134655), (5, 2480793), (7, 1771995), (15, 826931), (17, 729645), (21, 590665), (35, 354399), (51, 243215), (85, 145929), (105, 118133), (119, 104235), (255, 48643), (357, 34745), (595, 20847), (1785, 6949)]