3990315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 7633440

約数和(自身を除く): 3643125

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 89, 105, 147, 183, 245, 267, 305, 427, 445, 623, 735, 915, 1281, 1335, 1869, 2135, 2989, 3115, 4361, 5429, 6405, 8967, 9345, 13083, 14945, 16287, 21805, 27145, 38003, 44835, 65415, 81435, 114009, 190015, 266021, 570045, 798063, 1330105, 3990315]

約数ペア:

[(1, 3990315), (3, 1330105), (5, 798063), (7, 570045), (15, 266021), (21, 190015), (35, 114009), (49, 81435), (61, 65415), (89, 44835), (105, 38003), (147, 27145), (183, 21805), (245, 16287), (267, 14945), (305, 13083), (427, 9345), (445, 8967), (623, 6405), (735, 5429), (915, 4361), (1281, 3115), (1335, 2989), (1869, 2135)]