31230825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 23140695

約数列:

[1, 3, 5, 15, 25, 29, 75, 83, 87, 145, 173, 249, 415, 435, 519, 725, 865, 1245, 2075, 2175, 2407, 2595, 4325, 5017, 6225, 7221, 12035, 12975, 14359, 15051, 25085, 36105, 43077, 60175, 71795, 75255, 125425, 180525, 215385, 358975, 376275, 416411, 1076925, 1249233, 2082055, 6246165, 10410275, 31230825]

約数ペア:

[(1, 31230825), (3, 10410275), (5, 6246165), (15, 2082055), (25, 1249233), (29, 1076925), (75, 416411), (83, 376275), (87, 358975), (145, 215385), (173, 180525), (249, 125425), (415, 75255), (435, 71795), (519, 60175), (725, 43077), (865, 36105), (1245, 25085), (2075, 15051), (2175, 14359), (2407, 12975), (2595, 12035), (4325, 7221), (5017, 6225)]