15321915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 30670848

約数和(自身を除く): 15348933

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 383, 635, 889, 1143, 1149, 1905, 1915, 2667, 2681, 3447, 4445, 5715, 5745, 8001, 8043, 13335, 13405, 17235, 24129, 40005, 40215, 48641, 120645, 145923, 243205, 340487, 437769, 729615, 1021461, 1702435, 2188845, 3064383, 5107305, 15321915]

約数ペア:

[(1, 15321915), (3, 5107305), (5, 3064383), (7, 2188845), (9, 1702435), (15, 1021461), (21, 729615), (35, 437769), (45, 340487), (63, 243205), (105, 145923), (127, 120645), (315, 48641), (381, 40215), (383, 40005), (635, 24129), (889, 17235), (1143, 13405), (1149, 13335), (1905, 8043), (1915, 8001), (2667, 5745), (2681, 5715), (3447, 4445)]