128291505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{294923}}^1$

素因数の和:294960

約数の個数: 16

約数和(自身を含む): 212345280

約数和(自身を除く): 84053775

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 294923, 884769, 1474615, 4423845, 8552767, 25658301, 42763835, 128291505]

約数ペア:

[(1, 128291505), (3, 42763835), (5, 25658301), (15, 8552767), (29, 4423845), (87, 1474615), (145, 884769), (435, 294923)]