27783609

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 46080384

約数和(自身を除く): 18296775

約数列:

[1, 3, 7, 21, 23, 41, 61, 69, 123, 161, 183, 287, 427, 483, 529, 861, 943, 1281, 1403, 1587, 2501, 2829, 3703, 4209, 6601, 7503, 9821, 11109, 17507, 19803, 21689, 29463, 32269, 52521, 57523, 65067, 96807, 151823, 172569, 225883, 402661, 455469, 677649, 1207983, 1323029, 3969087, 9261203, 27783609]

約数ペア:

[(1, 27783609), (3, 9261203), (7, 3969087), (21, 1323029), (23, 1207983), (41, 677649), (61, 455469), (69, 402661), (123, 225883), (161, 172569), (183, 151823), (287, 96807), (427, 65067), (483, 57523), (529, 52521), (861, 32269), (943, 29463), (1281, 21689), (1403, 19803), (1587, 17507), (2501, 11109), (2829, 9821), (3703, 7503), (4209, 6601)]