25840143

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 44808192

約数和(自身を除く): 18968049

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 101, 131, 217, 279, 303, 393, 651, 707, 909, 917, 1179, 1953, 2121, 2751, 3131, 4061, 6363, 8253, 9393, 12183, 13231, 21917, 28179, 28427, 36549, 39693, 65751, 85281, 92617, 119079, 197253, 255843, 277851, 410161, 833553, 1230483, 2871127, 3691449, 8613381, 25840143]

約数ペア:

[(1, 25840143), (3, 8613381), (7, 3691449), (9, 2871127), (21, 1230483), (31, 833553), (63, 410161), (93, 277851), (101, 255843), (131, 197253), (217, 119079), (279, 92617), (303, 85281), (393, 65751), (651, 39693), (707, 36549), (909, 28427), (917, 28179), (1179, 21917), (1953, 13231), (2121, 12183), (2751, 9393), (3131, 8253), (4061, 6363)]