78728241

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 118879488

約数和(自身を除く): 40151247

約数列:

[1, 3, 17, 23, 41, 51, 69, 123, 391, 697, 943, 1173, 1637, 2091, 2829, 4911, 16031, 27829, 37651, 48093, 67117, 83487, 112953, 201351, 640067, 1140989, 1543691, 1920201, 3422967, 4631073, 26242747, 78728241]

約数ペア:

[(1, 78728241), (3, 26242747), (17, 4631073), (23, 3422967), (41, 1920201), (51, 1543691), (69, 1140989), (123, 640067), (391, 201351), (697, 112953), (943, 83487), (1173, 67117), (1637, 48093), (2091, 37651), (2829, 27829), (4911, 16031)]