28082655

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 52056576

約数和(自身を除く): 23973921

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 387, 631, 645, 989, 1035, 1893, 1935, 2967, 3155, 4945, 5679, 8901, 9465, 14513, 14835, 27133, 28395, 43539, 44505, 72565, 81399, 130617, 135665, 217695, 244197, 406995, 624059, 653085, 1220985, 1872177, 3120295, 5616531, 9360885, 28082655]

約数ペア:

[(1, 28082655), (3, 9360885), (5, 5616531), (9, 3120295), (15, 1872177), (23, 1220985), (43, 653085), (45, 624059), (69, 406995), (115, 244197), (129, 217695), (207, 135665), (215, 130617), (345, 81399), (387, 72565), (631, 44505), (645, 43539), (989, 28395), (1035, 27133), (1893, 14835), (1935, 14513), (2967, 9465), (3155, 8901), (4945, 5679)]