11970945

素因数分解:

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

素因数の和:175

約数の個数: 72

約数和(自身を含む): 24808680

約数和(自身を除く): 12837735

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 89, 105, 147, 183, 245, 267, 305, 315, 427, 441, 445, 549, 623, 735, 801, 915, 1281, 1335, 1869, 2135, 2205, 2745, 2989, 3115, 3843, 4005, 4361, 5429, 5607, 6405, 8967, 9345, 13083, 14945, 16287, 19215, 21805, 26901, 27145, 28035, 38003, 39249, 44835, 48861, 65415, 81435, 114009, 134505, 190015, 196245, 244305, 266021, 342027, 570045, 798063, 1330105, 1710135, 2394189, 3990315, 11970945]

約数ペア:

[(1, 11970945), (3, 3990315), (5, 2394189), (7, 1710135), (9, 1330105), (15, 798063), (21, 570045), (35, 342027), (45, 266021), (49, 244305), (61, 196245), (63, 190015), (89, 134505), (105, 114009), (147, 81435), (183, 65415), (245, 48861), (267, 44835), (305, 39249), (315, 38003), (427, 28035), (441, 27145), (445, 26901), (549, 21805), (623, 19215), (735, 16287), (801, 14945), (915, 13083), (1281, 9345), (1335, 8967), (1869, 6405), (2135, 5607), (2205, 5429), (2745, 4361), (2989, 4005), (3115, 3843)]