401804955

素因数分解:

$3^4\times 5^1\times {\mathrm{992111}}^1$

素因数の和:992128

約数の個数: 20

約数和(自身を含む): 720273312

約数和(自身を除く): 318468357

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 992111, 2976333, 4960555, 8928999, 14881665, 26786997, 44644995, 80360991, 133934985, 401804955]

約数ペア:

[(1, 401804955), (3, 133934985), (5, 80360991), (9, 44644995), (15, 26786997), (27, 14881665), (45, 8928999), (81, 4960555), (135, 2976333), (405, 992111)]