2840481

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 5198400

約数和(自身を除く): 2357919

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 113, 133, 147, 171, 189, 339, 399, 441, 513, 791, 931, 1017, 1197, 1323, 2147, 2373, 2793, 3051, 3591, 5537, 6441, 7119, 8379, 15029, 16611, 19323, 21357, 25137, 45087, 49833, 57969, 105203, 135261, 149499, 315609, 405783, 946827, 2840481]

約数ペア:

[(1, 2840481), (3, 946827), (7, 405783), (9, 315609), (19, 149499), (21, 135261), (27, 105203), (49, 57969), (57, 49833), (63, 45087), (113, 25137), (133, 21357), (147, 19323), (171, 16611), (189, 15029), (339, 8379), (399, 7119), (441, 6441), (513, 5537), (791, 3591), (931, 3051), (1017, 2793), (1197, 2373), (1323, 2147)]