348517221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 548517312

約数和(自身を除く): 200000091

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 547, 663, 961, 1209, 1581, 1641, 2883, 6851, 7111, 9299, 12493, 16337, 16957, 20553, 21333, 27897, 37479, 49011, 50871, 120887, 212381, 220441, 288269, 362661, 525667, 637143, 661323, 864807, 1577001, 3747497, 6833671, 8936339, 11242491, 20501013, 26809017, 116172407, 348517221]

約数ペア:

[(1, 348517221), (3, 116172407), (13, 26809017), (17, 20501013), (31, 11242491), (39, 8936339), (51, 6833671), (93, 3747497), (221, 1577001), (403, 864807), (527, 661323), (547, 637143), (663, 525667), (961, 362661), (1209, 288269), (1581, 220441), (1641, 212381), (2883, 120887), (6851, 50871), (7111, 49011), (9299, 37479), (12493, 27897), (16337, 21333), (16957, 20553)]