12205665

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 10258335

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 199, 235, 261, 423, 435, 597, 705, 995, 1305, 1363, 1791, 2115, 2985, 4089, 5771, 6815, 8955, 9353, 12267, 17313, 20445, 28059, 28855, 46765, 51939, 61335, 84177, 86565, 140295, 259695, 271237, 420885, 813711, 1356185, 2441133, 4068555, 12205665]

約数ペア:

[(1, 12205665), (3, 4068555), (5, 2441133), (9, 1356185), (15, 813711), (29, 420885), (45, 271237), (47, 259695), (87, 140295), (141, 86565), (145, 84177), (199, 61335), (235, 51939), (261, 46765), (423, 28855), (435, 28059), (597, 20445), (705, 17313), (995, 12267), (1305, 9353), (1363, 8955), (1791, 6815), (2115, 5771), (2985, 4089)]