26985987

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 22918653

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 227, 259, 333, 357, 459, 629, 681, 777, 999, 1071, 1589, 1887, 2043, 2331, 3213, 3859, 4403, 4767, 5661, 6129, 6993, 8399, 11577, 13209, 14301, 16983, 25197, 27013, 34731, 39627, 42903, 58793, 75591, 81039, 104193, 118881, 142783, 176379, 226773, 243117, 428349, 529137, 729351, 999481, 1285047, 1587411, 2998443, 3855141, 8995329, 26985987]

約数ペア:

[(1, 26985987), (3, 8995329), (7, 3855141), (9, 2998443), (17, 1587411), (21, 1285047), (27, 999481), (37, 729351), (51, 529137), (63, 428349), (111, 243117), (119, 226773), (153, 176379), (189, 142783), (227, 118881), (259, 104193), (333, 81039), (357, 75591), (459, 58793), (629, 42903), (681, 39627), (777, 34731), (999, 27013), (1071, 25197), (1589, 16983), (1887, 14301), (2043, 13209), (2331, 11577), (3213, 8399), (3859, 6993), (4403, 6129), (4767, 5661)]