1899639

素因数分解:

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

素因数の和:81

約数の個数: 48

約数和(自身を含む): 3539200

約数和(自身を除く): 1639561

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 133, 161, 171, 189, 207, 399, 437, 483, 513, 529, 621, 1197, 1311, 1449, 1587, 3059, 3591, 3703, 3933, 4347, 4761, 9177, 10051, 11109, 11799, 14283, 27531, 30153, 33327, 70357, 82593, 90459, 99981, 211071, 271377, 633213, 1899639]

約数ペア:

[(1, 1899639), (3, 633213), (7, 271377), (9, 211071), (19, 99981), (21, 90459), (23, 82593), (27, 70357), (57, 33327), (63, 30153), (69, 27531), (133, 14283), (161, 11799), (171, 11109), (189, 10051), (207, 9177), (399, 4761), (437, 4347), (483, 3933), (513, 3703), (529, 3591), (621, 3059), (1197, 1587), (1311, 1449)]