27720483987

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{419}}^1\times {\mathrm{1297}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 43255175040

約数和(自身を除く): 15534691053

約数列:

[1, 3, 7, 21, 49, 147, 347, 419, 1041, 1257, 1297, 2429, 2933, 3891, 7287, 8799, 9079, 17003, 20531, 27237, 51009, 61593, 63553, 145393, 190659, 436179, 450059, 543443, 1017751, 1350177, 1630329, 3053253, 3150413, 3804101, 7124257, 9451239, 11412303, 21372771, 22052891, 26628707, 66158673, 79886121, 188574721, 565724163, 1320023047, 3960069141, 9240161329, 27720483987]

約数ペア:

[(1, 27720483987), (3, 9240161329), (7, 3960069141), (21, 1320023047), (49, 565724163), (147, 188574721), (347, 79886121), (419, 66158673), (1041, 26628707), (1257, 22052891), (1297, 21372771), (2429, 11412303), (2933, 9451239), (3891, 7124257), (7287, 3804101), (8799, 3150413), (9079, 3053253), (17003, 1630329), (20531, 1350177), (27237, 1017751), (51009, 543443), (61593, 450059), (63553, 436179), (145393, 190659)]