28394037

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7907}}^1$

素因数の和:7942

約数の個数: 32

約数和(自身を含む): 50611200

約数和(自身を除く): 22217163

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7907, 23721, 55349, 71163, 150233, 166047, 213489, 450699, 498141, 1051631, 1352097, 1494423, 3154893, 4056291, 9464679, 28394037]

約数ペア:

[(1, 28394037), (3, 9464679), (7, 4056291), (9, 3154893), (19, 1494423), (21, 1352097), (27, 1051631), (57, 498141), (63, 450699), (133, 213489), (171, 166047), (189, 150233), (399, 71163), (513, 55349), (1197, 23721), (3591, 7907)]