15917715

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 56

約数和(自身を含む): 31321008

約数和(自身を除く): 15403293

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 397, 405, 495, 729, 891, 1191, 1215, 1485, 1985, 2673, 3573, 3645, 4367, 4455, 5955, 8019, 10719, 13101, 13365, 17865, 21835, 32157, 39303, 40095, 53595, 65505, 96471, 117909, 160785, 196515, 289413, 353727, 482355, 589545, 1061181, 1447065, 1768635, 3183543, 5305905, 15917715]

約数ペア:

[(1, 15917715), (3, 5305905), (5, 3183543), (9, 1768635), (11, 1447065), (15, 1061181), (27, 589545), (33, 482355), (45, 353727), (55, 289413), (81, 196515), (99, 160785), (135, 117909), (165, 96471), (243, 65505), (297, 53595), (397, 40095), (405, 39303), (495, 32157), (729, 21835), (891, 17865), (1191, 13365), (1215, 13101), (1485, 10719), (1985, 8019), (2673, 5955), (3573, 4455), (3645, 4367)]