187897821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 280857600

約数和(自身を除く): 92959779

約数列:

[1, 3, 17, 19, 51, 57, 211, 323, 633, 919, 969, 2757, 3587, 4009, 10761, 12027, 15623, 17461, 46869, 52383, 68153, 193909, 204459, 296837, 581727, 890511, 3296453, 3684271, 9889359, 11052813, 62632607, 187897821]

約数ペア:

[(1, 187897821), (3, 62632607), (17, 11052813), (19, 9889359), (51, 3684271), (57, 3296453), (211, 890511), (323, 581727), (633, 296837), (919, 204459), (969, 193909), (2757, 68153), (3587, 52383), (4009, 46869), (10761, 17461), (12027, 15623)]