218980377

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16674

約数の個数: 48

約数和(自身を含む): 415134720

約数和(自身を除く): 196154343

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 16631, 49893, 116417, 149679, 182941, 315989, 349251, 548823, 947967, 1047753, 1280587, 1646469, 2211923, 2843901, 3475879, 3841761, 6635769, 10427637, 11525283, 19907307, 24331153, 31282911, 72993459, 218980377]

約数ペア:

[(1, 218980377), (3, 72993459), (7, 31282911), (9, 24331153), (11, 19907307), (19, 11525283), (21, 10427637), (33, 6635769), (57, 3841761), (63, 3475879), (77, 2843901), (99, 2211923), (133, 1646469), (171, 1280587), (209, 1047753), (231, 947967), (399, 548823), (627, 349251), (693, 315989), (1197, 182941), (1463, 149679), (1881, 116417), (4389, 49893), (13167, 16631)]