15391215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 32408640

約数和(自身を除く): 17017425

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 81, 89, 105, 135, 183, 189, 267, 305, 315, 405, 427, 445, 549, 567, 623, 801, 915, 945, 1281, 1335, 1647, 1869, 2135, 2403, 2745, 2835, 3115, 3843, 4005, 4941, 5429, 5607, 6405, 7209, 8235, 9345, 11529, 12015, 16287, 16821, 19215, 24705, 27145, 28035, 34587, 36045, 38003, 48861, 50463, 57645, 81435, 84105, 114009, 146583, 172935, 190015, 244305, 252315, 342027, 439749, 570045, 732915, 1026081, 1710135, 2198745, 3078243, 5130405, 15391215]

約数ペア:

[(1, 15391215), (3, 5130405), (5, 3078243), (7, 2198745), (9, 1710135), (15, 1026081), (21, 732915), (27, 570045), (35, 439749), (45, 342027), (61, 252315), (63, 244305), (81, 190015), (89, 172935), (105, 146583), (135, 114009), (183, 84105), (189, 81435), (267, 57645), (305, 50463), (315, 48861), (405, 38003), (427, 36045), (445, 34587), (549, 28035), (567, 27145), (623, 24705), (801, 19215), (915, 16821), (945, 16287), (1281, 12015), (1335, 11529), (1647, 9345), (1869, 8235), (2135, 7209), (2403, 6405), (2745, 5607), (2835, 5429), (3115, 4941), (3843, 4005)]