18103197

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 28652800

約数和(自身を除く): 10549603

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 241, 343, 511, 723, 1029, 1533, 1687, 3577, 5061, 10731, 11809, 17593, 25039, 35427, 52779, 75117, 82663, 123151, 247989, 369453, 862057, 2586171, 6034399, 18103197]

約数ペア:

[(1, 18103197), (3, 6034399), (7, 2586171), (21, 862057), (49, 369453), (73, 247989), (147, 123151), (219, 82663), (241, 75117), (343, 52779), (511, 35427), (723, 25039), (1029, 17593), (1533, 11809), (1687, 10731), (3577, 5061)]