208682973

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{151549}}^1$

素因数の和:151578

約数の個数: 20

約数和(自身を含む): 330075900

約数和(自身を除く): 121392927

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 151549, 454647, 1363941, 2576333, 4091823, 7728999, 12275469, 23186997, 69560991, 208682973]

約数ペア:

[(1, 208682973), (3, 69560991), (9, 23186997), (17, 12275469), (27, 7728999), (51, 4091823), (81, 2576333), (153, 1363941), (459, 454647), (1377, 151549)]