280147881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 416465280

約数和(自身を除く): 136317399

約数列:

[1, 3, 13, 39, 43, 89, 129, 267, 559, 1157, 1677, 1877, 3471, 3827, 5631, 11481, 24401, 49751, 73203, 80711, 149253, 167053, 242133, 501159, 1049243, 2171689, 3147729, 6515067, 7183279, 21549837, 93382627, 280147881]

約数ペア:

[(1, 280147881), (3, 93382627), (13, 21549837), (39, 7183279), (43, 6515067), (89, 3147729), (129, 2171689), (267, 1049243), (559, 501159), (1157, 242133), (1677, 167053), (1877, 149253), (3471, 80711), (3827, 73203), (5631, 49751), (11481, 24401)]