1387756881

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{11279}}^1$

素因数の和:11336

約数の個数: 60

約数和(自身を含む): 2489541120

約数和(自身を除く): 1101784239

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 279, 441, 567, 651, 837, 1323, 1519, 1953, 2511, 3969, 4557, 5859, 11279, 13671, 17577, 33837, 41013, 78953, 101511, 123039, 236859, 304533, 349649, 552671, 710577, 913599, 1048947, 1658013, 2131731, 2447543, 3146841, 4974039, 6395193, 7342629, 9440523, 14922117, 17132801, 22027887, 28321569, 44766351, 51398403, 66083661, 154195209, 198250983, 462585627, 1387756881]

約数ペア:

[(1, 1387756881), (3, 462585627), (7, 198250983), (9, 154195209), (21, 66083661), (27, 51398403), (31, 44766351), (49, 28321569), (63, 22027887), (81, 17132801), (93, 14922117), (147, 9440523), (189, 7342629), (217, 6395193), (279, 4974039), (441, 3146841), (567, 2447543), (651, 2131731), (837, 1658013), (1323, 1048947), (1519, 913599), (1953, 710577), (2511, 552671), (3969, 349649), (4557, 304533), (5859, 236859), (11279, 123039), (13671, 101511), (17577, 78953), (33837, 41013)]