25564329

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 21741111

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 113, 133, 147, 171, 189, 243, 339, 399, 441, 513, 567, 791, 931, 1017, 1197, 1323, 1539, 1701, 2147, 2373, 2793, 3051, 3591, 3969, 4617, 5537, 6441, 7119, 8379, 9153, 10773, 11907, 15029, 16611, 19323, 21357, 25137, 27459, 32319, 45087, 49833, 57969, 64071, 75411, 105203, 135261, 149499, 173907, 192213, 226233, 315609, 405783, 448497, 521721, 946827, 1217349, 1345491, 2840481, 3652047, 8521443, 25564329]

約数ペア:

[(1, 25564329), (3, 8521443), (7, 3652047), (9, 2840481), (19, 1345491), (21, 1217349), (27, 946827), (49, 521721), (57, 448497), (63, 405783), (81, 315609), (113, 226233), (133, 192213), (147, 173907), (171, 149499), (189, 135261), (243, 105203), (339, 75411), (399, 64071), (441, 57969), (513, 49833), (567, 45087), (791, 32319), (931, 27459), (1017, 25137), (1197, 21357), (1323, 19323), (1539, 16611), (1701, 15029), (2147, 11907), (2373, 10773), (2793, 9153), (3051, 8379), (3591, 7119), (3969, 6441), (4617, 5537)]