7771275

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 14805600

約数和(自身を除く): 7034325

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 397, 435, 675, 725, 783, 1191, 1305, 1985, 2175, 3573, 3915, 5955, 6525, 9925, 10719, 11513, 17865, 19575, 29775, 34539, 53595, 57565, 89325, 103617, 172695, 267975, 287825, 310851, 518085, 863475, 1554255, 2590425, 7771275]

約数ペア:

[(1, 7771275), (3, 2590425), (5, 1554255), (9, 863475), (15, 518085), (25, 310851), (27, 287825), (29, 267975), (45, 172695), (75, 103617), (87, 89325), (135, 57565), (145, 53595), (225, 34539), (261, 29775), (397, 19575), (435, 17865), (675, 11513), (725, 10719), (783, 9925), (1191, 6525), (1305, 5955), (1985, 3915), (2175, 3573)]