2638995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 1922925

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 131, 237, 255, 393, 395, 655, 1185, 1343, 1965, 2227, 4029, 6681, 6715, 10349, 11135, 20145, 31047, 33405, 51745, 155235, 175933, 527799, 879665, 2638995]

約数ペア:

[(1, 2638995), (3, 879665), (5, 527799), (15, 175933), (17, 155235), (51, 51745), (79, 33405), (85, 31047), (131, 20145), (237, 11135), (255, 10349), (393, 6715), (395, 6681), (655, 4029), (1185, 2227), (1343, 1965)]