630912243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 918910720

約数和(自身を除く): 287998477

約数列:

[1, 3, 13, 39, 139, 181, 417, 543, 643, 1807, 1929, 2353, 5421, 7059, 8359, 25077, 25159, 75477, 89377, 116383, 268131, 327067, 349149, 981201, 1161901, 1512979, 3485703, 4538937, 16177237, 48531711, 210304081, 630912243]

約数ペア:

[(1, 630912243), (3, 210304081), (13, 48531711), (39, 16177237), (139, 4538937), (181, 3485703), (417, 1512979), (543, 1161901), (643, 981201), (1807, 349149), (1929, 327067), (2353, 268131), (5421, 116383), (7059, 89377), (8359, 75477), (25077, 25159)]