1520393679

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{881}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 2695956480

約数和(自身を除く): 1175562801

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 397, 483, 621, 881, 1191, 1449, 2643, 2779, 3573, 4347, 6167, 7929, 8337, 9131, 10719, 18501, 20263, 23787, 25011, 27393, 55503, 60789, 63917, 75033, 82179, 141841, 166509, 182367, 191751, 246537, 349757, 425523, 547101, 575253, 1049271, 1276569, 1725759, 2448299, 3147813, 3829707, 7344897, 8044411, 9443439, 22034691, 24133233, 56310877, 66104073, 72399699, 168932631, 217199097, 506797893, 1520393679]

約数ペア:

[(1, 1520393679), (3, 506797893), (7, 217199097), (9, 168932631), (21, 72399699), (23, 66104073), (27, 56310877), (63, 24133233), (69, 22034691), (161, 9443439), (189, 8044411), (207, 7344897), (397, 3829707), (483, 3147813), (621, 2448299), (881, 1725759), (1191, 1276569), (1449, 1049271), (2643, 575253), (2779, 547101), (3573, 425523), (4347, 349757), (6167, 246537), (7929, 191751), (8337, 182367), (9131, 166509), (10719, 141841), (18501, 82179), (20263, 75033), (23787, 63917), (25011, 60789), (27393, 55503)]