208515897

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2153}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 328786560

約数和(自身を除く): 120270663

約数列:

[1, 3, 9, 17, 27, 51, 153, 211, 459, 633, 1899, 2153, 3587, 5697, 6459, 10761, 19377, 32283, 36601, 58131, 96849, 109803, 329409, 454283, 988227, 1362849, 4088547, 7722811, 12265641, 23168433, 69505299, 208515897]

約数ペア:

[(1, 208515897), (3, 69505299), (9, 23168433), (17, 12265641), (27, 7722811), (51, 4088547), (153, 1362849), (211, 988227), (459, 454283), (633, 329409), (1899, 109803), (2153, 96849), (3587, 58131), (5697, 36601), (6459, 32283), (10761, 19377)]