287955

素因数分解:

$3^6\times 5^1\times {\mathrm{79}}^1$

素因数の和:102

約数の個数: 28

約数和(自身を含む): 524640

約数和(自身を除く): 236685

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 711, 729, 1185, 1215, 2133, 3555, 3645, 6399, 10665, 19197, 31995, 57591, 95985, 287955]

約数ペア:

[(1, 287955), (3, 95985), (5, 57591), (9, 31995), (15, 19197), (27, 10665), (45, 6399), (79, 3645), (81, 3555), (135, 2133), (237, 1215), (243, 1185), (395, 729), (405, 711)]