278364195

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6673}}^1$

素因数の和:6793

約数の個数: 40

約数和(自身を含む): 503913696

約数和(自身を除く): 225549501

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 927, 1545, 2781, 4635, 6673, 8343, 13905, 20019, 33365, 41715, 60057, 100095, 180171, 300285, 540513, 687319, 900855, 2061957, 2702565, 3436595, 6185871, 10309785, 18557613, 30929355, 55672839, 92788065, 278364195]

約数ペア:

[(1, 278364195), (3, 92788065), (5, 55672839), (9, 30929355), (15, 18557613), (27, 10309785), (45, 6185871), (81, 3436595), (103, 2702565), (135, 2061957), (309, 900855), (405, 687319), (515, 540513), (927, 300285), (1545, 180171), (2781, 100095), (4635, 60057), (6673, 41715), (8343, 33365), (13905, 20019)]