208030221

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3049}}^1$

素因数の和:3103

約数の個数: 48

約数和(自身を含む): 371856000

約数和(自身を除く): 163825779

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1197, 2527, 3049, 3249, 3591, 7581, 9147, 9747, 21343, 22743, 27441, 57931, 64029, 68229, 82323, 173793, 192087, 405517, 521379, 576261, 1100689, 1216551, 1564137, 3302067, 3649653, 7704823, 9906201, 10948959, 23114469, 29718603, 69343407, 208030221]

約数ペア:

[(1, 208030221), (3, 69343407), (7, 29718603), (9, 23114469), (19, 10948959), (21, 9906201), (27, 7704823), (57, 3649653), (63, 3302067), (133, 1564137), (171, 1216551), (189, 1100689), (361, 576261), (399, 521379), (513, 405517), (1083, 192087), (1197, 173793), (2527, 82323), (3049, 68229), (3249, 64029), (3591, 57931), (7581, 27441), (9147, 22743), (9747, 21343)]