207974445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 395096064

約数和(自身を除く): 187121619

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 73, 105, 129, 215, 219, 301, 365, 511, 631, 645, 903, 1095, 1505, 1533, 1893, 2555, 3139, 3155, 4417, 4515, 7665, 9417, 9465, 13251, 15695, 21973, 22085, 27133, 46063, 47085, 65919, 66255, 81399, 109865, 135665, 138189, 189931, 230315, 322441, 329595, 406995, 569793, 690945, 949655, 967323, 1612205, 1980709, 2848965, 4836615, 5942127, 9903545, 13864963, 29710635, 41594889, 69324815, 207974445]

約数ペア:

[(1, 207974445), (3, 69324815), (5, 41594889), (7, 29710635), (15, 13864963), (21, 9903545), (35, 5942127), (43, 4836615), (73, 2848965), (105, 1980709), (129, 1612205), (215, 967323), (219, 949655), (301, 690945), (365, 569793), (511, 406995), (631, 329595), (645, 322441), (903, 230315), (1095, 189931), (1505, 138189), (1533, 135665), (1893, 109865), (2555, 81399), (3139, 66255), (3155, 65919), (4417, 47085), (4515, 46063), (7665, 27133), (9417, 22085), (9465, 21973), (13251, 15695)]