647575485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{2287}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 1063096320

約数和(自身を除く): 415520835

約数列:

[1, 3, 5, 15, 43, 129, 215, 439, 645, 1317, 2195, 2287, 6585, 6861, 11435, 18877, 34305, 56631, 94385, 98341, 283155, 295023, 491705, 1003993, 1475115, 3011979, 5019965, 15059895, 43171699, 129515097, 215858495, 647575485]

約数ペア:

[(1, 647575485), (3, 215858495), (5, 129515097), (15, 43171699), (43, 15059895), (129, 5019965), (215, 3011979), (439, 1475115), (645, 1003993), (1317, 491705), (2195, 295023), (2287, 283155), (6585, 98341), (6861, 94385), (11435, 56631), (18877, 34305)]