278314659

素因数分解:

$3^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 474552000

約数和(自身を除く): 196237341

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 343, 441, 623, 801, 1013, 1029, 1869, 3039, 3087, 4361, 5607, 7091, 9117, 13083, 21273, 30527, 39249, 49637, 63819, 90157, 91581, 148911, 270471, 274743, 347459, 446733, 631099, 811413, 1042377, 1893297, 3127131, 4417693, 5679891, 13253079, 30923851, 39759237, 92771553, 278314659]

約数ペア:

[(1, 278314659), (3, 92771553), (7, 39759237), (9, 30923851), (21, 13253079), (49, 5679891), (63, 4417693), (89, 3127131), (147, 1893297), (267, 1042377), (343, 811413), (441, 631099), (623, 446733), (801, 347459), (1013, 274743), (1029, 270471), (1869, 148911), (3039, 91581), (3087, 90157), (4361, 63819), (5607, 49637), (7091, 39249), (9117, 30527), (13083, 21273)]