203754789

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 358525440

約数和(自身を除く): 154770651

約数列:

[1, 3, 7, 9, 21, 41, 49, 59, 63, 123, 147, 177, 191, 287, 369, 413, 441, 531, 573, 861, 1239, 1337, 1719, 2009, 2419, 2583, 2891, 3717, 4011, 6027, 7257, 7831, 8673, 9359, 11269, 12033, 16933, 18081, 21771, 23493, 26019, 28077, 33807, 50799, 54817, 70479, 78883, 84231, 101421, 118531, 152397, 164451, 236649, 355593, 383719, 462029, 493353, 552181, 709947, 1066779, 1151157, 1386087, 1656543, 3234203, 3453471, 4158261, 4969629, 9702609, 22639421, 29107827, 67918263, 203754789]

約数ペア:

[(1, 203754789), (3, 67918263), (7, 29107827), (9, 22639421), (21, 9702609), (41, 4969629), (49, 4158261), (59, 3453471), (63, 3234203), (123, 1656543), (147, 1386087), (177, 1151157), (191, 1066779), (287, 709947), (369, 552181), (413, 493353), (441, 462029), (531, 383719), (573, 355593), (861, 236649), (1239, 164451), (1337, 152397), (1719, 118531), (2009, 101421), (2419, 84231), (2583, 78883), (2891, 70479), (3717, 54817), (4011, 50799), (6027, 33807), (7257, 28077), (7831, 26019), (8673, 23493), (9359, 21771), (11269, 18081), (12033, 16933)]