28828155

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 47683584

約数和(自身を除く): 18855429

約数列:

[1, 3, 5, 15, 47, 103, 141, 235, 309, 397, 515, 705, 1191, 1545, 1985, 4841, 5955, 14523, 18659, 24205, 40891, 55977, 72615, 93295, 122673, 204455, 279885, 613365, 1921877, 5765631, 9609385, 28828155]

約数ペア:

[(1, 28828155), (3, 9609385), (5, 5765631), (15, 1921877), (47, 613365), (103, 279885), (141, 204455), (235, 122673), (309, 93295), (397, 72615), (515, 55977), (705, 40891), (1191, 24205), (1545, 18659), (1985, 14523), (4841, 5955)]