28905638925

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5428289}}^1$

素因数の和:5428373

約数の個数: 24

約数和(自身を含む): 48463773120

約数和(自身を除く): 19558134195

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5428289, 16284867, 27141445, 81424335, 135707225, 385408519, 407121675, 1156225557, 1927042595, 5781127785, 9635212975, 28905638925]

約数ペア:

[(1, 28905638925), (3, 9635212975), (5, 5781127785), (15, 1927042595), (25, 1156225557), (71, 407121675), (75, 385408519), (213, 135707225), (355, 81424335), (1065, 27141445), (1775, 16284867), (5325, 5428289)]