78742215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102931}}^1$

素因数の和:102959

約数の個数: 24

約数和(自身を含む): 144516528

約数和(自身を除く): 65774313

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 102931, 308793, 514655, 926379, 1543965, 1749827, 4631895, 5249481, 8749135, 15748443, 26247405, 78742215]

約数ペア:

[(1, 78742215), (3, 26247405), (5, 15748443), (9, 8749135), (15, 5249481), (17, 4631895), (45, 1749827), (51, 1543965), (85, 926379), (153, 514655), (255, 308793), (765, 102931)]