2947156947

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 5073868800

約数和(自身を除く): 2126711853

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 241, 267, 623, 723, 727, 801, 1687, 1869, 2169, 2181, 2403, 5061, 5089, 5607, 6507, 6543, 15183, 15267, 16821, 19629, 21449, 45549, 45801, 64347, 64703, 137403, 150143, 175207, 193041, 194109, 450429, 452921, 525621, 579123, 582327, 1226449, 1351287, 1358763, 1576863, 1746981, 3679347, 4053861, 4076289, 4730589, 11038041, 12228867, 15593423, 33114123, 46780269, 109153961, 140340807, 327461883, 421022421, 982385649, 2947156947]

約数ペア:

[(1, 2947156947), (3, 982385649), (7, 421022421), (9, 327461883), (21, 140340807), (27, 109153961), (63, 46780269), (89, 33114123), (189, 15593423), (241, 12228867), (267, 11038041), (623, 4730589), (723, 4076289), (727, 4053861), (801, 3679347), (1687, 1746981), (1869, 1576863), (2169, 1358763), (2181, 1351287), (2403, 1226449), (5061, 582327), (5089, 579123), (5607, 525621), (6507, 452921), (6543, 450429), (15183, 194109), (15267, 193041), (16821, 175207), (19629, 150143), (21449, 137403), (45549, 64703), (45801, 64347)]