259888923

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2411}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 451526400

約数和(自身を除く): 191637477

約数列:

[1, 3, 7, 9, 21, 29, 59, 63, 87, 177, 203, 261, 413, 531, 609, 1239, 1711, 1827, 2411, 3717, 5133, 7233, 11977, 15399, 16877, 21699, 35931, 50631, 69919, 107793, 142249, 151893, 209757, 426747, 489433, 629271, 995743, 1280241, 1468299, 2987229, 4125221, 4404897, 8961687, 12375663, 28876547, 37126989, 86629641, 259888923]

約数ペア:

[(1, 259888923), (3, 86629641), (7, 37126989), (9, 28876547), (21, 12375663), (29, 8961687), (59, 4404897), (63, 4125221), (87, 2987229), (177, 1468299), (203, 1280241), (261, 995743), (413, 629271), (531, 489433), (609, 426747), (1239, 209757), (1711, 151893), (1827, 142249), (2411, 107793), (3717, 69919), (5133, 50631), (7233, 35931), (11977, 21699), (15399, 16877)]