15620715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 30942720

約数和(自身を除く): 15322005

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 67, 99, 135, 157, 165, 201, 297, 335, 471, 495, 603, 737, 785, 1005, 1413, 1485, 1727, 1809, 2211, 2355, 3015, 3685, 4239, 5181, 6633, 7065, 8635, 9045, 10519, 11055, 15543, 19899, 21195, 25905, 31557, 33165, 46629, 52595, 77715, 94671, 99495, 115709, 157785, 233145, 284013, 347127, 473355, 578545, 1041381, 1420065, 1735635, 3124143, 5206905, 15620715]

約数ペア:

[(1, 15620715), (3, 5206905), (5, 3124143), (9, 1735635), (11, 1420065), (15, 1041381), (27, 578545), (33, 473355), (45, 347127), (55, 284013), (67, 233145), (99, 157785), (135, 115709), (157, 99495), (165, 94671), (201, 77715), (297, 52595), (335, 46629), (471, 33165), (495, 31557), (603, 25905), (737, 21195), (785, 19899), (1005, 15543), (1413, 11055), (1485, 10519), (1727, 9045), (1809, 8635), (2211, 7065), (2355, 6633), (3015, 5181), (3685, 4239)]