28768515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 20085501

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1367, 1403, 4101, 4209, 6835, 7015, 20505, 21045, 31441, 83387, 94323, 157205, 250161, 416935, 471615, 1250805, 1917901, 5753703, 9589505, 28768515]

約数ペア:

[(1, 28768515), (3, 9589505), (5, 5753703), (15, 1917901), (23, 1250805), (61, 471615), (69, 416935), (115, 250161), (183, 157205), (305, 94323), (345, 83387), (915, 31441), (1367, 21045), (1403, 20505), (4101, 7015), (4209, 6835)]