51506553

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 81326080

約数和(自身を除く): 29819527

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 439, 453, 777, 1057, 1317, 3073, 3171, 5587, 9219, 16243, 16761, 39109, 48729, 66289, 113701, 117327, 198867, 341103, 464023, 1392069, 2452693, 7358079, 17168851, 51506553]

約数ペア:

[(1, 51506553), (3, 17168851), (7, 7358079), (21, 2452693), (37, 1392069), (111, 464023), (151, 341103), (259, 198867), (439, 117327), (453, 113701), (777, 66289), (1057, 48729), (1317, 39109), (3073, 16761), (3171, 16243), (5587, 9219)]