207799995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{3637}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 359376192

約数和(自身を除く): 151576197

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 293, 879, 1465, 3637, 3809, 4395, 10911, 11427, 18185, 19045, 47281, 54555, 57135, 141843, 236405, 709215, 1065641, 3196923, 5328205, 13853333, 15984615, 41559999, 69266665, 207799995]

約数ペア:

[(1, 207799995), (3, 69266665), (5, 41559999), (13, 15984615), (15, 13853333), (39, 5328205), (65, 3196923), (195, 1065641), (293, 709215), (879, 236405), (1465, 141843), (3637, 57135), (3809, 54555), (4395, 47281), (10911, 19045), (11427, 18185)]