278318133

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 429004800

約数和(自身を除く): 150686667

約数列:

[1, 3, 9, 27, 29, 87, 191, 261, 573, 783, 1719, 1861, 5157, 5539, 5583, 16617, 16749, 49851, 50247, 53969, 149553, 161907, 355451, 485721, 1066353, 1457163, 3199059, 9597177, 10308079, 30924237, 92772711, 278318133]

約数ペア:

[(1, 278318133), (3, 92772711), (9, 30924237), (27, 10308079), (29, 9597177), (87, 3199059), (191, 1457163), (261, 1066353), (573, 485721), (783, 355451), (1719, 161907), (1861, 149553), (5157, 53969), (5539, 50247), (5583, 49851), (16617, 16749)]