67721607

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 99440640

約数和(自身を除く): 31719033

約数列:

[1, 3, 9, 127, 179, 331, 381, 537, 993, 1143, 1611, 2979, 22733, 42037, 59249, 68199, 126111, 177747, 204597, 378333, 533241, 7524623, 22573869, 67721607]

約数ペア:

[(1, 67721607), (3, 22573869), (9, 7524623), (127, 533241), (179, 378333), (331, 204597), (381, 177747), (537, 126111), (993, 68199), (1143, 59249), (1611, 42037), (2979, 22733)]