1921312155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139681}}^1$

素因数の和:139827

約数の個数: 32

約数和(自身を含む): 3540100608

約数和(自身を除く): 1618788453

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 13755, 139681, 419043, 698405, 977767, 2095215, 2933301, 4888835, 14666505, 18298211, 54894633, 91491055, 128087477, 274473165, 384262431, 640437385, 1921312155]

約数ペア:

[(1, 1921312155), (3, 640437385), (5, 384262431), (7, 274473165), (15, 128087477), (21, 91491055), (35, 54894633), (105, 18298211), (131, 14666505), (393, 4888835), (655, 2933301), (917, 2095215), (1965, 977767), (2751, 698405), (4585, 419043), (13755, 139681)]