27228159

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 50610560

約数和(自身を除く): 23382401

約数列:

[1, 3, 7, 9, 19, 21, 23, 43, 57, 63, 69, 129, 133, 161, 171, 207, 301, 387, 399, 437, 483, 529, 817, 903, 989, 1197, 1311, 1449, 1587, 2451, 2709, 2967, 3059, 3703, 3933, 4761, 5719, 6923, 7353, 8901, 9177, 10051, 11109, 17157, 18791, 20769, 22747, 27531, 30153, 33327, 51471, 56373, 62307, 68241, 70357, 90459, 131537, 159229, 169119, 204723, 211071, 394611, 432193, 477687, 633213, 1183833, 1296579, 1433061, 3025351, 3889737, 9076053, 27228159]

約数ペア:

[(1, 27228159), (3, 9076053), (7, 3889737), (9, 3025351), (19, 1433061), (21, 1296579), (23, 1183833), (43, 633213), (57, 477687), (63, 432193), (69, 394611), (129, 211071), (133, 204723), (161, 169119), (171, 159229), (207, 131537), (301, 90459), (387, 70357), (399, 68241), (437, 62307), (483, 56373), (529, 51471), (817, 33327), (903, 30153), (989, 27531), (1197, 22747), (1311, 20769), (1449, 18791), (1587, 17157), (2451, 11109), (2709, 10051), (2967, 9177), (3059, 8901), (3703, 7353), (3933, 6923), (4761, 5719)]