27805365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 55680768

約数和(自身を除く): 27875403

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 103, 105, 309, 315, 515, 721, 857, 927, 1545, 2163, 2571, 3605, 4285, 4635, 5999, 6489, 7713, 10815, 12855, 17997, 29995, 32445, 38565, 53991, 88271, 89985, 264813, 269955, 441355, 617897, 794439, 1324065, 1853691, 3089485, 3972195, 5561073, 9268455, 27805365]

約数ペア:

[(1, 27805365), (3, 9268455), (5, 5561073), (7, 3972195), (9, 3089485), (15, 1853691), (21, 1324065), (35, 794439), (45, 617897), (63, 441355), (103, 269955), (105, 264813), (309, 89985), (315, 88271), (515, 53991), (721, 38565), (857, 32445), (927, 29995), (1545, 17997), (2163, 12855), (2571, 10815), (3605, 7713), (4285, 6489), (4635, 5999)]