16649139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 25288704

約数和(自身を除く): 8639565

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 293, 403, 611, 879, 1209, 1457, 1833, 3809, 4371, 9083, 11427, 13771, 18941, 27249, 41313, 56823, 118079, 179023, 354237, 426901, 537069, 1280703, 5549713, 16649139]

約数ペア:

[(1, 16649139), (3, 5549713), (13, 1280703), (31, 537069), (39, 426901), (47, 354237), (93, 179023), (141, 118079), (293, 56823), (403, 41313), (611, 27249), (879, 18941), (1209, 13771), (1457, 11427), (1833, 9083), (3809, 4371)]