28310235

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18967845

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 431, 435, 453, 755, 1293, 2155, 2265, 4379, 6465, 12499, 13137, 21895, 37497, 62495, 65081, 65685, 187485, 195243, 325405, 976215, 1887349, 5662047, 9436745, 28310235]

約数ペア:

[(1, 28310235), (3, 9436745), (5, 5662047), (15, 1887349), (29, 976215), (87, 325405), (145, 195243), (151, 187485), (431, 65685), (435, 65081), (453, 62495), (755, 37497), (1293, 21895), (2155, 13137), (2265, 12499), (4379, 6465)]