19650897

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 33519360

約数和(自身を除く): 13868463

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 601, 1211, 1557, 1803, 3633, 4207, 4671, 5409, 10899, 12621, 16227, 32697, 37863, 103973, 113589, 311919, 727811, 935757, 2183433, 2807271, 6550299, 19650897]

約数ペア:

[(1, 19650897), (3, 6550299), (7, 2807271), (9, 2183433), (21, 935757), (27, 727811), (63, 311919), (173, 113589), (189, 103973), (519, 37863), (601, 32697), (1211, 16227), (1557, 12621), (1803, 10899), (3633, 5409), (4207, 4671)]