280940685

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 458542080

約数和(自身を除く): 177601395

約数列:

[1, 3, 5, 15, 61, 183, 305, 479, 641, 915, 1437, 1923, 2395, 3205, 7185, 9615, 29219, 39101, 87657, 117303, 146095, 195505, 307039, 438285, 586515, 921117, 1535195, 4605585, 18729379, 56188137, 93646895, 280940685]

約数ペア:

[(1, 280940685), (3, 93646895), (5, 56188137), (15, 18729379), (61, 4605585), (183, 1535195), (305, 921117), (479, 586515), (641, 438285), (915, 307039), (1437, 195505), (1923, 146095), (2395, 117303), (3205, 87657), (7185, 39101), (9615, 29219)]