25236996981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{150239}}^1$

素因数の和:150689

約数の個数: 32

約数和(自身を含む): 40576819200

約数和(自身を除く): 15339822219

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421, 1263, 2947, 7999, 8841, 23997, 55993, 150239, 167979, 450717, 1051673, 2854541, 3155019, 8563623, 19981787, 59945361, 63250619, 189751857, 442754333, 1201761761, 1328262999, 3605285283, 8412332327, 25236996981]

約数ペア:

[(1, 25236996981), (3, 8412332327), (7, 3605285283), (19, 1328262999), (21, 1201761761), (57, 442754333), (133, 189751857), (399, 63250619), (421, 59945361), (1263, 19981787), (2947, 8563623), (7999, 3155019), (8841, 2854541), (23997, 1051673), (55993, 450717), (150239, 167979)]