212955819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 308313600

約数和(自身を除く): 95357781

約数列:

[1, 3, 19, 57, 61, 73, 183, 219, 839, 1159, 1387, 2517, 3477, 4161, 4453, 13359, 15941, 47823, 51179, 61247, 84607, 153537, 183741, 253821, 972401, 1163693, 2917203, 3491079, 3736067, 11208201, 70985273, 212955819]

約数ペア:

[(1, 212955819), (3, 70985273), (19, 11208201), (57, 3736067), (61, 3491079), (73, 2917203), (183, 1163693), (219, 972401), (839, 253821), (1159, 183741), (1387, 153537), (2517, 84607), (3477, 61247), (4161, 51179), (4453, 47823), (13359, 15941)]