71318925

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1609}}^1$

素因数の和:1822

約数の個数: 36

約数和(自身を含む): 128468340

約数和(自身を除く): 57149415

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 591, 985, 1609, 1773, 2955, 4827, 4925, 8045, 8865, 14481, 14775, 24135, 40225, 44325, 72405, 120675, 316973, 362025, 950919, 1584865, 2852757, 4754595, 7924325, 14263785, 23772975, 71318925]

約数ペア:

[(1, 71318925), (3, 23772975), (5, 14263785), (9, 7924325), (15, 4754595), (25, 2852757), (45, 1584865), (75, 950919), (197, 362025), (225, 316973), (591, 120675), (985, 72405), (1609, 44325), (1773, 40225), (2955, 24135), (4827, 14775), (4925, 14481), (8045, 8865)]