69391791

素因数分解:

$3^2\times 7^2\times {\mathrm{157351}}^1$

素因数の和:157371

約数の個数: 18

約数和(自身を含む): 116597832

約数和(自身を除く): 47206041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 157351, 472053, 1101457, 1416159, 3304371, 7710199, 9913113, 23130597, 69391791]

約数ペア:

[(1, 69391791), (3, 23130597), (7, 9913113), (9, 7710199), (21, 3304371), (49, 1416159), (63, 1101457), (147, 472053), (441, 157351)]