15639195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 30772224

約数和(自身を除く): 15133029

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 317, 345, 429, 715, 759, 897, 951, 1265, 1495, 1585, 2145, 3289, 3487, 3795, 4121, 4485, 4755, 7291, 9867, 10461, 12363, 16445, 17435, 20605, 21873, 36455, 45331, 49335, 52305, 61815, 80201, 94783, 109365, 135993, 226655, 240603, 284349, 401005, 473915, 679965, 1042613, 1203015, 1421745, 3127839, 5213065, 15639195]

約数ペア:

[(1, 15639195), (3, 5213065), (5, 3127839), (11, 1421745), (13, 1203015), (15, 1042613), (23, 679965), (33, 473915), (39, 401005), (55, 284349), (65, 240603), (69, 226655), (115, 135993), (143, 109365), (165, 94783), (195, 80201), (253, 61815), (299, 52305), (317, 49335), (345, 45331), (429, 36455), (715, 21873), (759, 20605), (897, 17435), (951, 16445), (1265, 12363), (1495, 10461), (1585, 9867), (2145, 7291), (3289, 4755), (3487, 4485), (3795, 4121)]