15291478881

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{64951}}^1$

素因数の和:65102

約数の個数: 48

約数和(自身を含む): 26182411008

約数和(自身を除く): 10890932127

約数列:

[1, 3, 7, 9, 21, 37, 63, 101, 111, 259, 303, 333, 707, 777, 909, 2121, 2331, 3737, 6363, 11211, 26159, 33633, 64951, 78477, 194853, 235431, 454657, 584559, 1363971, 2403187, 4091913, 6560051, 7209561, 16822309, 19680153, 21628683, 45920357, 50466927, 59040459, 137761071, 151400781, 242721887, 413283213, 728165661, 1699053209, 2184496983, 5097159627, 15291478881]

約数ペア:

[(1, 15291478881), (3, 5097159627), (7, 2184496983), (9, 1699053209), (21, 728165661), (37, 413283213), (63, 242721887), (101, 151400781), (111, 137761071), (259, 59040459), (303, 50466927), (333, 45920357), (707, 21628683), (777, 19680153), (909, 16822309), (2121, 7209561), (2331, 6560051), (3737, 4091913), (6363, 2403187), (11211, 1363971), (26159, 584559), (33633, 454657), (64951, 235431), (78477, 194853)]