128878845

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{121013}}^1$

素因数の和:121092

約数の個数: 16

約数和(自身を含む): 209112192

約数和(自身を除く): 80233347

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 121013, 363039, 605065, 1815195, 8591923, 25775769, 42959615, 128878845]

約数ペア:

[(1, 128878845), (3, 42959615), (5, 25775769), (15, 8591923), (71, 1815195), (213, 605065), (355, 363039), (1065, 121013)]